Elora has been making premium German hand tools since 1924 — spanners, sockets and workshop tools manufactured to exacting standards for professional use. Elora Bi-Hexagon Socket, . Dr. (group 1-3) The Elora Bi-Hexagon Socket, . Dr. (group 1-3) (Part Number: 770-SA 1) is a genuine Elora product, supplied through official UK distribution. Professional Quality, sockets manufactured from chrome vanadium steel hardened, tempered and chrome plated for corrosion protection. Chamfered end allows positive nut location and entry. Hole for driving accessory with locking pin. Some socket sizes have knurled band for extra hand grip. Sold loose. Available in 20 length options — use the selector above to pick the right one for the job.Available lengths Length Part No EAN 1 770-SA 1 5010559004768 1.1/16 770-SA 1.1/16 5010559004843 1.1/8 770-SA 1.1/8 5010559004928 1.1/4 770-SA 1.1/4 5010559005178 1.11/16 770-SA 1.11/16 5010559005833 1.3/16 770-SA 1.3/16 5010559005093 1.3/8 770-SA 1.3/8 5010559005338 1.3/4 770-SA 1.3/4 5010559005918 1.5/16 770-SA 1.5/16 5010559005253 1.5/8 770-SA 1.5/8 5010559005758 1.7/16 770-SA 1.7/16 5010559005413 1.7/8 770-SA 1.7/8 5010559006168 1.9/16 770-SA 1.9/16 5010559005673 2 770-SA 2 5010559006243 2.1/16 770-SA 2.1/16 5010559006328 2.1/8 770-SA 2.1/8 5010559006403 2.1/4 770-SA 2.1/4 5010559006663 2.3/16 770-SA 2.3/16 5010559006588 2.3/8 770-SA 2.3/8 5010559006748 3/4 770-SA 3/4 5010559004348 Use the length selector at the top of this page to choose your option. Each option is dispatched as a separate stocked item.Specifications Brand Elora Manufacturer Part Number 770-SA 1 MPN 770-SA 1 EAN 5010559004768 GTIN 5010559004768 Type Elora Item Weight 0.216 kg Custom Bundle No Condition New DownloadsTechnical Datasheet Why Choose Elora?German hand tool craftsmanship since 1924. Premium forging — chrome vanadium tools made to tight tolerances. Century of expertise — trusted in professional workshops since 1924. Full specifications — genuine Elora part numbers on every product. Product VideoYour browser cannot play this video. About EloraFounded in 1924 in Germany's tool-making heartland, Elora produces premium spanners, sockets, torque tools and workshop equipment for professional users. Elora tools are prized for their forging quality and precision — a specification choice for engineers who want tools that last a working lifetime. .ds-34061f90{margin:20px 0;padding:14px;background:#fafafa;border:1px solid #e5e7eb;border-radius:8px;}.ds-34061f90 h3{font-size:15px;color:#003366;margin:0 0 10px 0;}.ds-34061f90-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px;}.ds-34061f90-cell{border:1px solid #dce3eb;border-radius:6px;overflow:hidden;background:white;display:block;color:inherit;text-decoration:none;}.ds-34061f90-cell img{width:100%;height:auto;display:block;transition:transform .2s;}@media (hover:hover){.ds-34061f90-cell:hover img{transform:scale(1.05);}}.ds-34061f90-foot{font-size:11px;color:#666;margin-top:10px;line-height:1.5;}.ds-34061f90-lb{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.92);z-index:9999;text-align:center;padding:20px;box-sizing:border-box;}.ds-34061f90-lb:target{display:block;}.ds-34061f90-lb img{max-width:96%;max-height:88vh;height:auto;width:auto;border:2px solid white;background:white;}.ds-34061f90-lb .close{position:absolute;top:14px;right:24px;color:white;font-size:32px;font-weight:bold;text-decoration:none;line-height:1;}.ds-34061f90-lb .nav{position:absolute;top:50%;transform:translateY(-50%);color:white;font-size:48px;text-decoration:none;padding:10px 20px;font-weight:bold;}.ds-34061f90-lb .prev{left:10px;} .ds-34061f90-lb .next{right:10px;}.ds-34061f90-lb .label{position:absolute;bottom:14px;left:0;right:0;color:white;font-size:13px;text-align:center;font-family:sans-serif;}