General description Made of premium high carbon steel, this 8-piece wood plug cutter set is precision manufactured for high strength and durability. The tools feature a smooth surface that is rust-proof, corrosion-resistant, and wear-resistant. The set includes 4 cone drill bits and 4 claw drill bits, designed in different shapes to meet various woodworking needs. Technical specifications Material: High carbon steel Handle size: 10mm round handle Sizes included: 1/4 cork knife (6mm), 3/8 cork knife (10mm), 1/2 cork knife (13mm), 5/8 cork knife (16mm) Usage Designed for cutting oak corks Creates predictable size holes Removes old nails and other woodworking openings for furniture and carpentry Other information Recommended for use with bench drills for more stable operation and improved work efficiency