Monster Overview: Seal the smallest wire sizes with confidence using NSPA Krimpa-Seal™ Step-Down Butt Connectors. These USA-made connectors are engineered to join 24–22 AWG to 22–18 AWG wires with seamless copper barrels and adhesive-lined tubing for a waterproof, vibration-resistant splice. Perfect for electronics, small gauge sensors, or tight-space wiring, the red body with white/red ID markers ensures fast wire-matching and accurate installs. RoHS compliant and IP67-rated when installed properly, these are professional-grade connectors that deliver lasting results. Monster Features: Brand: NSPA Krimpa-Seal™ Connector Type: Step-Down Butt Connector (24–22 AWG to 22–18 AWG) Seal Type: Crimp & Seal – solder-free solution Made in: USA Barrel: Seamless copper for consistent electrical flow Tubing: Adhesive-lined polyolefin, 3:1 shrink ratio Waterproof Rating: IP67 (dust-tight & moisture-sealed*) Compliance: RoHS compliant Monster Specifications: Color Code: Red with White/Red wire size strip marker Wire Size Compatibility: 24–22 AWG to 22–18 AWG Part #: KS56-20 Seam Type: Seamless Tubing Type: Adhesive-lined polyolefin tubing Installation Instructions: Strip both wires to 5/16" (8 mm) Insert each wire into the appropriate side of the connector Crimp with a ratcheting crimp tool Heat tubing evenly until fully shrunk and sealed For best results: Use a heat device with at least 1000 °F (538 °C) capacity. Avoid isolating flame; distribute heat evenly across the tubing. Order Yours Today from Monster Bolts! Make every splice count with Krimpa-Seal’s precision connectors. Fast U.S. shipping, reliable inventory, and trusted quality from Monster Bolts. * There is no official UL standard for “waterproof” connectors. These connectors typically meet IP67 standards: dust-tight and resistant to submersion (15 cm – 1 m for up to 30 minutes) when properly installed.