10 IN 1 PROFESSIONAL SIZE: 5 / 64, 3 / 32, 7 / 64, 1 / 8, 9 / 64, 5 / 32, 3 / 16, 7 / 32, 1 / 4, 5 / 16, each hexagon has marked its size. 10pcs multi size package Hex Head Allen Wrench Drill Bit Set can meet your different needs.
TYPE OF HEAD: Hex head (Allen Drill Bits); Type of Shank: 1/4 inch hex shank; Overall length: 2inch (50mm) length.
INDUSTRIAL S2 ALLOY STEEL & PROFESSIONAL SIZE: Our Drill Bits are made from High Quality S2 ALLOY Steel Material in a Bonderizing Finish.
WIDELY APPLICATION: It can be used with electric screwdriver, manual screwdriver, electric drill, group general tools, and any Standard Drills.
RELIABLE AFTER-SALES SEVICES : Users trust Mgtgbao to be quality tools. Mgtgbao Hex Head Allen Wrench Drill Bit Set are ideal Tools for repair and DIY. If you have any issues with your Mgtgbao drill bit set, simply contact customer service for troubleshooting help, parts, replacement, or refund.