Pozidriv-1pt-Titanium-Coated-Screwdriver-Bit-50mm-Witte-Werkzeug-27541-p-Witte-Titanium-Coated-Screwdriver-Bits-are-made-to-very-exacting-standards-&-ensure-maximum-transmission-of-torque-to-the-screw-This-is-achieved-by-a-special-hardening-process-&-by-ensuring-an-exact-fit-of-the-bit-to-Phillips-&-Pozidriv-screws-p-p-In-addition-there-is-a-special-recessed-neck-called-the-Flex-Zone-which-absorbs-shock-loads-thus-giving-increased-durability-There-is-also-a-special-coating-of-ti