REXBETI 12 Piece Hex Head Allen Wrench Screwdriver Bit Set, 1/4 Inch Hex Shank S2 Steel Magnetic 3 Inch Long Drill Bits, 1/16-3/8 Inch(Hex Head)

Features

• Tamper Proof Security Bits in the Following Sizes 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16, 7/32, 1/4, 5/16 and 3/8 inch
• 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