21PCS Bit Sockets: SL4,5.5,7 + PH1,2,3 + PZ1,2,3 + HEX 3,4,5,6,7,8 + T10,15,20,25,30,40) + (13PCS 1/4 DR metric sockets: 4,4.5,5.5,6,7,8,9,10,11,12,13,14 mm) + 1pc 1/4 quick ratchet handle, 1pc 1/4" universal joint, 1pc 1/4" × 2" extension bar, 1pc 1/4" × 4" extension bar, 1pc 1/4" × 6" flexible extension, 1pc 1/4" sliding t-bar, 1pc 1/4" sliding t-bar, 1pc 6" spinner handle and 1pc-bit adapter.