21pcs Two functions Screwdriver Bit Set Contents: 18pcs Shank H6.35*30mm Bit : (Material is S2) (4) Phillips:No.0,1,2,3 (6) Torx:10,15,20,25,30,40 (6) Hex:3.0-4.0-5.0-6.0mm (2) Flat:4-6mm Two functions Handle 60mm Quick changer(CRV) 60mm Magnetic Holder(Zine)