General description Made of S2 alloy steel, this 20Pcs Hex Wrench Drill Bit Set is tough and wear-resistant, designed to withstand impact. The strong magnetic feature ensures that each edge can accurately lock screws without causing damage to either the screw or the screwdriver. Technical specifications Material: S2 alloy steel Colour: Silver Inch drill sizes: 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 Metric drill sizes: 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm Measurement allowed error: +/- 1-3cm Compatibility and accessories Compatible with electric screwdrivers Compatible with hand screwdrivers Compatible with electric drills Compatible with air drills Other information Package Contents: 10 x SAE Drill Bit, 10 x Metric Drill Bit Note: Light and different displays may cause the color of the item in the picture to differ slightly from the actual product.