31 piece precision bit driver set the bits are made from chrome vanadium and have a nickel finish contains 1 x stubby aluminium screwdriver handle4 x phillips bits ph00 ph0 ph1 ph21 x tri wing bit 3mm 1 x triangle bit 3mm1 x spanner bit 26mm 1 x star bit 2mm1 x point bit 1mm6 x slotted bits 15mm 2mm 25mm 3mm 35mm 4mm8 x torx bits tx4 tx5 tx6 tx7 tx8 tx10 tx15 and tx207 x hex bits 1mm 13mm 15mm 2mm 25mm 3mm 4mm