Augtouf Impact Hex Head Allen Wrench Drill Bit Set 20pcs (Metric&SAE), 1/4" Shank S2 Steel Bits Set, CNC Machined Tips with Magnetism, 2" Long Storage Box

toolant impact hex head allen wrench drill bits. Torsion zone to absorb torque peaks to avoid breakage. For impact driver and heavy screw driving. 10pcs SAE-5/64”,3/32”, 7/64”, 1/8”, 9/64”, 5/32”, 3/16”, 7/32”, 1/4”, 5/16”. 10pcs metric-1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 5mm, 6mm, 7mm, 8mm. 1/4” quick release hex-shank, 2” long. CNC machined tips, S2 alloy steel body, hardened core to increase bit strength and reduce fracture. Manganese Phosphate surface to prevent rust. Strengthened magnetic impact bit helps you easy pick up screws. The magnetism doesn’t decay after multiple uses. Widely used in home repairs, automobiles, and other screw driving applications. If you are not fully satisfied for any reason, please feel free to contact us via Amazon for 100% refund or replacement.