Professional Bump Assist Tool

UKBumpKeys Verified independent store

→

:root{--ukbah-dark:#101820;--ukbah-ink:#1f2328;--ukbah-muted:#58616b;--ukbah-accent:#b85718;--ukbah-teal:#1f6f78;--ukbah-paper:#f7f9fb;--ukbah-line:#d9e0e7} .ukbah-page{color:var(- -ukbah-ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;font-size:16px;line-height:1.7} .ukbah-page *{box-sizing:border-box} .ukbah-page a{color:var(--ukbah-accent);font-weight:700;text-decoration:underline;text-underline-offset:3px} .ukbah-trust{align-items:center;background:var(--ukbah-dark);border-radius:8px;color:#fff;display:flex;flex-wrap:wrap;font-size:13px;font-weight:700;gap:8px 20px;justify-content:center;margin:0 0 28px;padding:14px 18px} .ukbah-trust span:before{color:#f0a45d;content:"\2713";font-weight:900;margin-right:8px} .ukbah-hero{background:linear-gradient(135deg,#101820 0%,#21313b 62%,#314044 100%);border-radius:10px;color:#fff;display:grid;gap:30px;grid-template-columns:minmax(0,1.05fr) minmax(230px,.78fr);margin-bottom:28px;overflow:hidden;padding:36px 30px} .ukbah-badge{background:var(--ukbah-accent);border-radius:999px;color:#fff;display:inline-block;font-size:11px;font-weight:800;letter-spacing:1px;margin-bottom:14px;padding:7px 13px;text-transform:uppercase} .ukbah-hero h2{color:#fff;font-size:clamp(28px,5vw,41px);line-height:1.1;margin:0 0 16px;max-width:560px} .ukbah-hero p{color:rgba(255,255,255,.86);margin:0 0 20px;max-width:560px} .ukbah-photo{align-self:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:10px;padding:12px} .ukbah-photo img{border-radius:8px;display:block;height:auto;width:100%} .ukbah-stats{display:grid;gap:10px;grid-template-columns:repeat(2,minmax(0,1fr));max-width:560px} .ukbah-stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);border-radius:8px;padding:12px;text-align:center} .ukbah-stat strong{color:#fff;display:block;font-size:17px;line-height:1.1} .ukbah-stat span{color:rgba(255,255,255,.72);display:block;font-size:12px;margin-top:5px} .ukbah-section{border-top:1px solid var(--ukbah-line);padding:34px 0} .ukbah-kicker{color:var(--ukbah-accent);font-size:12px;font-weight:800;letter-spacing:1.2px;margin-bottom:8px;text-transform:uppercase} .ukbah-section h3{color:var(--ukbah-dark);font-size:clamp(22px,4vw,30px);line-height:1.2;margin:0 0 16px} .ukbah-section p{color:var(--ukbah-muted);margin:0 0 16px} .ukbah-grid{display:grid;gap:18px;grid-template-columns:repeat(3,minmax(0,1fr))} .ukbah-card{background:linear-gradient(180deg,#fff,var(--ukbah-paper));border:1px solid var(--ukbah-line);border-radius:8px;padding:22px} .ukbah-card h4{color:var(--ukbah-dark);font-size:17px;margin:0 0 8px} .ukbah-card p{font-size:15px;margin:0} .ukbah-steps{display:grid;gap:16px;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:6px} .ukbah-step{background:linear-gradient(180deg,#fff,var(--ukbah-paper));border:1px solid var(--ukbah-line);border-radius:8px;padding:20px 18px} .ukbah-step b{color:var(--ukbah-accent);display:block;font-size:13px;letter-spacing:.5px;margin-bottom:6px} .ukbah-step h4{color:var(--ukbah-dark);font-size:16px;margin:0 0 6px} .ukbah-step p{font-size:14px;margin:0} .ukbah-media2{align-items:center;display:grid;gap:26px;grid-template-columns:1fr 1fr} .ukbah-shot{background:var(--ukbah-paper);border:1px solid var(--ukbah-line);border-radius:10px;display:block;height:auto;margin:0;width:100%} .ukbah-figure{margin:0} .ukbah-shotcap{color:var(--ukbah-muted);font-size:13px;margin:10px 4px 0;text-align:center} .ukbah-darkbox{background:var(--ukbah-dark);border-left:5px solid var(--ukbah-accent);border-radius:8px;color:#fff;margin-top:28px;padding:28px} .ukbah-darkbox h3,.ukbah-darkbox p{color:#fff} .ukbah-darkbox a{color:#ffd9a8} .ukbah-features{display:grid;gap:14px;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:18px} .ukbah-feature{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);border-radius:7px;padding:16px} .ukbah-feature strong{color:#fff;display:block;margin-bottom:4px} .ukbah-feature span{color:rgba(255,255,255,.74);font-size:14px} .ukbah-specs{border-collapse:collapse;font-size:15px;width:100%} .ukbah-specs td{border-bottom:1px solid var(--ukbah-line);padding:13px 16px;vertical-align:top} .ukbah-specs td:first-child{color:var(--ukbah-dark);font-weight:800;width:36%} .ukbah-note{background:var(--ukbah-paper);border-left:4px solid var(--ukbah-accent);border-radius:0 8px 8px 0;color:var(--ukbah-muted);margin-top:24px;padding:20px 24px} .ukbah-faq{margin:0 auto;max-width:820px} .ukbah-faq div{border-bottom:1px solid var(--ukbah-line);padding:18px 0} .ukbah-faq h4{color:var(--ukbah-dark);margin:0 0 8px} .ukbah-faq p{margin:0;color:var(--ukbah-muted)} .ukbah-faq a{color:var(--ukbah-accent)} .ukbah-cta{background:linear-gradient(135deg,#16222b,#101820);border-radius:10px;color:#fff;margin-top:34px;padding:32px 28px;text-align:center} .ukbah-cta h3,.ukbah-cta p{color:#fff} .ukbah-cta p{margin-left:auto;margin-right:auto;max-width:720px} @media(max-width:768px){.ukbah-hero,.ukbah-grid,.ukbah-features,.ukbah-media2{grid-template-columns:1fr}.ukbah-steps{grid-template-columns:repeat(2,1fr)}.ukbah-hero{padding:28px 20px}.ukbah-trust{font-size:12px}} Free UK delivery over £30 Royal Mail dispatch 30-day easy returns European delivery available Bump key holder & dampener Strike the same way, every single time Bumping is a timing trick. A sharp tap on a bump key sends the driver pins jumping past the shear line for a split second, and in that window the plug turns. Land a clean, repeatable strike and it feels almost too easy. Snatch at it and you learn nothing. The Professional Bump Assist Tool is a moulded TPU holder that seats your bump key, soaks up the bounce, and turns a wild swing into a controlled hit you can actually read. Gripsyour bump key Soaksthe bounce Repeatablestrike feel Protectsthe cylinder face What this is for The part that turns a lucky hit into a method Bump keys and a bump hammer give you the technique. This holder gives you the consistency. The key drops into the moulded TPU cap so it seats the same way on every attempt, the body cushions and controls the rebound, and the cap takes the blow instead of the bare key head or the lock face. That means cleaner energy into the pins, far less wild bounce, and a strike you can repeat until the feel of a good bump lives in your hands. It also puts useful distance between your fingers and the point of impact. Consistent grip The bump key seats into the cap so it lines up the same way every time. No re-fiddling the key between strikes. Controlled bounce The TPU body soaks up the rebound so the energy goes into the pins, not into a chaotic double tap that defeats the bump. Repeatable results Same seat, same cushion, same strike. That repeatability is what lets you feel which attempts worked and why. How a bump works Four beats from key to open plug Step 1Seat the key Drop your bump key into the cap so the holder rides on the bow. Then slide the key into the cylinder. Step 2Set light tension Apply a feather of rotational pressure on the key, the same gentle turn you would use to pick. Step 3Strike clean Tap the holder with a bump hammer. The kinetic energy snaps the driver pins up past the shear line. Step 4Turn the plug For that split second the gap opens, your tension carries the plug round. Reset and repeat to drill the feel in. See it in hand The key seats, the TPU does the rest Your bump key slots into the moulded cap and the holder sits over the bow, leaving the cut blade free to enter the keyway. From there you bump as normal, but with a stable platform to strike instead of a bare key head that skips and rattles. That bit of control is the whole point. A bump that lands the same way twice teaches you something. A bump that lands differently every time just wears out the lock. Build the bumping kit A holder wants a hammer and the right keys This tool tunes the strike, but it needs the rest of the setup to work. Pair it with the Dangerfield Bump Hammer for a measured, purpose-built tap, and a set like the 3 Piece Ultimate Bump Key Set so you have the right profile for your practice cylinder. Slot spare bump key dampeners under the keys, and learn on a see-through lock: the Clear Practice Padlock lets you watch the pins jump as you strike. Add the hammerA bump hammer gives you a measured tap instead of a guessed swing. Match the keysPick the bump key profile that fits your practice cylinder before tuning the feel. Watch it workA clear practice lock shows the driver pins jumping at the shear line. On the cylinder Cushioned contact, kinder to the lock Because the moulded cap takes the hit, the strike lands through TPU rather than steel on steel against the cylinder face. That softer contact is gentler on the key bow and the lock front, so your practice cylinder and your bump keys both last longer. It shines on pin tumbler euro and rim cylinders, the everyday locks most people in the UK and Europe learn bumping on. Set your tension, tap, and let the holder keep each strike honest. Details What to know before buying Brand Dangerfield Tool type Bump key holder and strike dampener support Material Moulded TPU What it does Grips the bump key, cushions and controls the strike, separates fingers from the impact, protects the cylinder face Best use Repeatable bump-key practice on pin tumbler euro and rim cylinders Pairs with A bump hammer and a bump-key set that matches your practice lock Made to work with a bump hammer. The holder takes the tap so your strike stays controlled. The real buying reason is repeatability. A bump key that seats the same way and a strike that lands the same way turn random luck into a skill you can build, while the cushioned cap spares the lock face and the key bow. FAQ Questions buyers usually ask What does this tool actually do? It is a holder and dampener support for a bump key. The key seats into the moulded TPU cap, the body cushions and controls the strike, and the cap takes the blow so your hit stays repeatable, your fingers stay clear, and the lock face is protected. Does it come with bump keys or a hammer? This page is for the holder on its own. Pair it with a bump hammer for the tap and a bump-key set that suits your practice cylinder. Is bumping approachable if I am new to it? It is a great technique to start with. Begin on a known practice lock with light tension, tap softly, and reset. A see-through lock like the Clear Practice Padlock lets you watch what each strike does. Why bother with a holder at all? Striking a bare key bow tends to bounce and double tap, which kills the bump and chews up the lock. The TPU body soaks that rebound so the energy reaches the pins cleanly and every strike feels the same. Slot bump key dampeners under the key for even smoother results. What locks is it best on? It shines on pin tumbler euro and rim cylinders, the everyday locks most people learn bumping on. Match your bump key to the cylinder and you are set. Will it protect my practice lock? The cushioned cap means the strike lands through TPU rather than steel on steel, so it is kinder to the cylinder face and the key bow over a long practice session. Turn a lucky bump into a repeatable one Seat the key, cushion the strike, and read what each tap does. Add the Professional Bump Assist Tool to your kit, pair it with a bump hammer and the right keys, and let a consistent hit teach you the timing. Use entry tools responsibly, only on locks you own or have permission to open, and check local laws before buying. Show more