100 pcs screwdriver bits set material:CR-V, CS, S2 100 pcs screwdriver bits1. COde: ... : S2,Crv ,carbon steel3. Length : 25mm4. diameter: 6 mm100pc Bit Set•Manufactured from chrome vanadium and including slotted 3, 4, 4 ... .5, 6, 6.5,•7, 7mm, PH0, 1, 2 x 4pc, 3 x 2pc,•PZ0, 1, 2 x 5pc,•3 Hex ... 20" container : 8500 set HY-P315A 98 pcs bit set HY-P064 64 pcs bit set 100 pcs screwdriver bit set with blow case ...