Bit Compatibilities: Torx (T8-T70, E4-E24). Style: 31-Piece Torx Bit Socket Set. Pattern: 31-Piece Torx Bit Socket Set. Head Style: Hex, Torx. 【PREMIUM MATERIALS】Superior S2 alloy steel torx bits: Drop-forged for enhanced torque and reduced wear-outs, surpassing regular allen hex tools in quality.