20Pcs Half Time Drill Driver Screwdriver Tool Set Bits Screwdriver Head Applied
2 Countersink Bits (3/32"" 2.4mm, 1/8"" 3.2mm). Quantity: 20Pcs + 1 Pc Case. 8 Flathead Bits (2 Each: 1/8"" 3.2mm, 5/32"" 4mm, 3/16"" 4.8mm, 1/4"" 6.3mm). 1 Allen Wrench. Works with your own power drill.