Draper-Expert-1-2-Square-Drive-Universal-Joint-Display-Pack-Draper-Expert-34453-B-I-Expert-Quality-I-B-manufactured-from-chrome-vanadium-steel-hardened-tempered-chrome-plated-&-polished-for-corrosion-protection-Head-swings-through-90-176-in-both-directions-Spring-loaded-ball-bearing-for-secure-socket-holding-Display-packed-br-br-B-Manufactured-&-tested-generally-in-accordance-with-DIN3122-&-ISO3315-Specifications-B-br-br-Draper-Expert-34453-1-2-Square-Drive-Univers