Set containing 1/2″ impact driver, bit socket, adaptor Hex5/16″-3/8″ as well as 17 bits. Accessories: 1/2″ drive reversible impact driver, coupler adaptor, 5/16″ hex: 3/8″ M adaptor 36mm hex bits 5/16″ drive 6mm flat, 8mm flat, 10mm flat, 12mm flat, PH1, PH2, PH3, PH4, 4mm hex, 5mm hex, 6mm hex, 8mm hex, TX30, TX40, TX45, TX50, TX55