... supply various full series of screwdriver bits, nut setters, nut drivers, sockets, socket adapters, bit holders Screwdriver bitMaterial types: Cr-V ... plus, tri-wingOverall length: 25mm, 32mm, 50mm, 70mm, 89mm, 127mm, 152mmType: single head, double head, head with round neckPacking: ... Skin pack, double blister, single blister, injection case, blow case, PVC bag, color ...