Works with your own power drill. Drill driver-1PC. Material: HSS. Countersink bits (3/32" 2.4mm, 1/8" 3.2mm). One word bits (2 each: 1/8" 3.2mm, 5/32" 4mm, 3/16" 4.8mm, 1/4" 6.3mm). Crossword bits (2 each: PH0, PH1, PH2, PH3).
20pcs Swap Drill Bit Tool Set Half Time Drill Driver Screwdriver Head Tools Kit