【Material】Hexagonal drill bit set is made of industrial grade S2 alloy steel drill bits, which are hardened to reduce wear. Manganese phosphate surface prevents rust, ensuring its life and durability 【10 pieces metric hexagonal drill bits】Sizes are as follows 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 5mm, 6mm, 7mm, 8mm. Length: 50mm (2 inches). Size is printed on the drill bit and printed in white on the storage organizer for faster identification 【Strong magnetic】Strong magnetic tip can easily hold the screws and absorb them tightly. Not easy to fall off, will not slip during use. Magnetism will not decay after multiple uses 【Easy to store】The hexagonal wrench head is equipped with a chain clip and a safe drill holder, which can be hung on a key chain, tool belt or equipment bag to quickly complete the work, convenient storage and transportation 【Widely used】Can be used with electric screwdrivers, manual screwdrivers, electric drills, combination general tools and any standard drill bits. Commonly used in mechanical equipment, automobiles, motorcycles, bicycles, furniture, electronic equipment, etc. Specifications: Material: S2 alloy steel Shank diameter: 1/4 inch hexagonal Magnetic: Yes Length: 50mm/2 inches Drill bit size: H1.5, H2, H2.5, H3, H3.5, H4, H5, H6, H7, H8 (10 pieces/set)