Draper-Expert-5-Piece-3-8-Square-Drive-Wobble-Extension-Bar-Set-Draper-Expert-19798-B-I-Expert-Quality-I-B-manufactured-from-chrome-vanadium-steel-hardened-tempered-chrome-plated-&-polished-for-corrosion-protection-Enables-sockets-to-be-driven-at-up-to-15-176-to-the-vertical-Spring-loaded-ball-bearing-for-secure-socket-holding-Overall-lengths-can-vary-in-production-Display-packed-br-br-B-Manufactured-&-tested-generally-in-accordance-with-DIN3122-&-ISO3315-Specificatio