Features: *5-piece set: The carbide drill bit set includes 5 conical drill bits with the size of 3/16X1/2+11/64X1/2+1/8X3/8+5/32X3/8+9/64X3/8 hexagonal shank. *Adjustable Depth: For precise drilling, the depth stop and drill bit can be adjusted with the included wrench to adjust the pilot drill and countersink depth in the countersink drill bit. *Sturdy: The countersink drill bit comes with spiral chip flutes to ensure fast cutting, and the steel alloy cutting edge creates smooth countersinks and counterbores. *Widely Used: Suitable for natural wood, particleboard, wood-based board, plywood, MDF, decking, drywall, and various plastic boards. *Compact and convenient: The suitcase contains 5 countersink drill bits, an extra plastic free-spin collar, anwrench, so it is convenient to carry anywhere. The hanging hole designed in the wood drill bit set allows you to hang it freely. Specifications: Product Name: Aluminum Alloy Countersink Drill Material: Aluminum Alloy Size: 3/16X1/2+11/64"X1/2+1/8"X3/8"+5/32"X3/8"+9/64"X3/8" Color: Gold Package Contents: 1 Piece Aluminum Alloy Countersink Drill 4X Countersink Drill Bits Note: 1. The actual color of the product may be slightly different from the picture shown on the website, which is caused by many factors such as the brightness of the monitor and the brightness of the light. 2. The data may have a slight deviation from manual measurement. _x000D_ _x000D_