ITEM NAME:20 PCS Quality High Speed Steel Wood Countersink Batch Tool Kit Drill Bits Descriptio n Description: Easily switch bits in seconds Alloy steel material, high strength, durable Rotate the head to flip and lock from drilling to drive Can use your own electric drill, drill time cut in half 8 Cross bits, 8 slotted bits and 2 countersunk bits to meet your basic needs Well stored and organized in plastic box for easy access and storage Specifications: Material: Alloy steel Box Size: 19.5 x 7.5 x 4.4cm Package Include: 2Pcs Countersink drills (3/32 "2.4mm, 1/8" 3.2mm) 8Pcs Cross drill bits (PH0, PH1, PH2, PH3 two each) 8Pcs Flathead bits (1/8 "3.2mm, 5/32" 4mm, 3/16 "4.8mm, 1/4" 6.3mm two each) Package Included: 20Pcs/Set High-speed Steel Countersink Drill Bits 1 x Plastic Storage Box Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. 20 PCS Quality High Speed Steel Wood Countersink Batch Tool Kit Drill Bits.2Pcs Countersink drills (3/32 "2.4mm, 1/8" 3.2mm). 8Pcs Cross drill bits (PH0, PH1, PH2, PH3 two each). 8Pcs Flathead bits (1/8 "3.2mm, 5/32" 4mm, 3/16 "4.8mm, 1/4" 6.3mm two each). Alloy steel material, high strength, durable.