Sthor brand 66301 screwdriver bit set Designed for tightening and loosening screws in hard-to-reach places Recommended for automotive service technicians and automotive enthusiasts Recommended for automotive service technicians and automotive enthusiasts Contains functional bits made of CRV steel: • flat: 3 mm, 4 mm, 5 mm, 5. 5 mm, 6 mm, 7 mm • phillips: PH 0, PH 1 x 2 pcs, PH 2 x 4 pcs, PH 3 • posidrive: PZ 0, PZ 1 x 2 pcs, PZ 2 x 4 pcs, PZ 3 • square: S 0, S 1, S 2, S 3 • torx: T 10, T 15, T 20, T 25, T 27, T 30, T 40. • hex: 2 mm, 2. 5 mm, 3 mm, 4 mm, 5 mm, 5. 5 mm, 6 mm • 1 pc adapter