30 piece 1/4 inch hex drive impact bit set including all of the most commonly used 1.18 inch/30mm long screwdriver ROB, hex and torx (TX) impact bits1.18 inch/30mm long 1/4 inch hex impact bits: PH1, PH2 (x2), PH3, PZ1, PZ2 (x2), PZ3, ROB1, ROB2, hex 3, 4 (x2), 5, 6mm, TX10, TX15, TX20 (x2), TX25 (x2), TX27, TX30 (x2), TX40, GR2 (x2)1/4 inch drive accessories: 60mm magnetic impact bit holder and 60mm quick chuck impact bits holderImpact bits and accessories feature a new design for higher torsion and are suitable for use with impact power toolsSupplied in a unique Teng Tools TJ tray featuring a clear fold up lid so you can see everything inside the set as well as a sliding catch to secure the set when not in use