A Set of Tool: Enhance your toolkit with 4 distinct styles of steel countersink drill bits each featuring a unique design for various applications providing flexibility for different tasks. Precision Dimensions: The set includes tools with dimensions ranging from 45x10mm to 84.5x28mm offering a range of hole sizes from 5mm to 15mm 1pc per size ensuring precise and accurate drilling for your projects. Durable Material: Crafted from high-quality materials these golden-finished drill bits are made for durability and longevity making them suitable for both woodworking and metalworking applications. Efficient Usage: With multiple hole sizes and versatile designs these countersink drill bits are ideal for various applications ensuring efficient and precise hole drilling in wood and metal surfaces. Professional-grade Tools: Elevate your craftsmanship with this professional-grade set suitable for both DIY enthusiasts and professionals in woodworking and metalworking industries.