Wera 05073613001 38551 stainless premium plus pozidriv pz1 screwdriver bit wera 05073613001 this 14in hexagon drive torsion bit from wera is made from vacuum ice hardened stainless steel to minimise the chance of rust and is suitable for use with pozidriv screws wera 05073613001 38551 stainless premium plus pozidriv pz1 screwdriver bit