REXBETI 20 Piece Hex Head Allen Wrench Screwdriver Bit Set, SAE Metric 1/4 Inch Hex Shank S2 Steel Magnetic 2.3 Inch Long Drill Bits with Storage Box(20-Hex Bit Set(silver))

Key features

• SAE Sizes 5/16, 1/4, 7/32, 3/16, 5/32, 9/64, 1/8, 7/64, 3/32 and 5/64 inch. Metric size 8mm, 7mm, 6mm, 5mm, 4mm, 3.5mm, 3mm, 2.5mm, 2mm and 1.5mm
• Drill bits made from high quality S2 steel material for ultimate durability, suitable for industrial use
• Strong magnetic and high precision. each edge can be accurately locked screws, no damage to the screw and the screwdriver head
• Not only can you use the bits on hand tools, you can easily insert them to any 1/4 inch hex shank power drill to use
• Solid storage case to keep all bit set in good condition