Great for industrial automotive and DIY homeowner. Use in screwdrivers wrenches, cordless and variable speed drills. Quick change from one bit to another. Store each bit in it''s own location. S2 tool set bits.• 100 Piece• S2 tool set bits• Great for industrial automotive and DIY homeowner• Use in screwdrivers wrenches, cordless and variable speed drills• Quick change from one bit to another• A bit for every job• Store each bit in it''s own location.Set Includes100 bits in a box• Philips #0, #1, #2, #3• Pozidrive #0, #1, #2, #3• TORX® T10, T15, T20, T25, T27, T30,T35, T40• TORX® Tamperproof T8, T10, T15, T20, T25, T27, T30, T35, T40• Hex Fractional 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4"• Hex Fractional Tamperproof 5/64", 3/32", 7/64", 1/8", 9/64", 5/32"• Hex Metric 1.5mm, 2mm, 2.5 mm, 3mm, 4mm, 5mm, 5.5mm, 6mm• Triwing #1, #2, #3, #4• Torqset 6, 8, 10• Slotted 3, 4, 4.5, 5, 5.5, 6, 6.5, 7, 8• Spanner 4, 6, 8, 10• Clutch 5/32, 3/16, 1/4• Square Recess 0, 1, 2, 3• Spline 5mm, 6mm, 8mm• Wingnuts• Magnetic bit holder 1/4" square to 1/4" hex• Socket bit holder 1/4" square to 1/4" hex• Extension 1/4" sq by 1/4" hex 1", 1/4" sq by 1/4" hex 2".