Amartisan 20-Piece Hex Head Allen Wrench Drill Bit Set, Metric and

S2 Material Forging：The drill bit is made of high quality S2 alloy steel ,with sturdy hardened & tempered construction. 10 piece metricsae hex bits size include 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 5mm, 6mm, 7mm, 8mm. 10 piece sae hex bits sizes include 5/64 inch, 3/32 inch, 7/64 inch, 1/8 inch, 9/64 inch, 5/32 inch, 3/16 inch, 7/32 inch, 1/4 inch, 5/16 inch. 1/4 inch hex handle can be used with screwdriver and is widely used for household tool repairs. Wide Range of Uses: Used in automobiles, repairs, trucks, automobiles, engines, motorcycles, interiors, dashboards, computers, cable boxes, toys, appliances and consumer electronics, drill bits can also be used in many other protected parts.