Features High Wear Resistance Alloy: Crafted from premium alloy material, these drill bits ensure durability and longevity for extended use on tough surfaces Oxidation Resistant Coating: The specialized spray treatment provides superior protection against oxidation, enhancing performance and increasing lifespan Versatile Hand Tool Compatibility: Designed for use with various hand tools, these drill bits make drilling tasks simple and efficient for users of all skill levels Convenient 5-Piece Set: This set includes 5 drill bits, allowing for quick and easy replacements, ensuring you always have the right size on hand Multi-Surface Application: Perfectly suited for wood, tile, iron, plastic, red brick, and wall openings, this hole opening tool meets diverse drilling needs Features: 1、 alloy material of the cutter head has high wear resistance. 2、The is sprayed, and oxidation resistant 3、The drill bits can be used with hand tools for easy using 4、Including 5pcs drill bits, easy to replace 5、Suitable for wood, tile, iron, plastic, red brick, wall openings Specification: Item Type: Drill Bits Material: Cutter Head YG8 Alloy, cutter body 45# carbon steel, spray Standard: 6mm, 6mm, 8mm, 10mm, 12mm Weight: Approx. 170g/6.0oz 6mm Size: Approx. 100 x 6 x 5mm / 3.9 x 0.2 x 0.2in 8mm Size: Approx. 111 x 8 x 6mm / 4.4 x 0.3 x 0.2in 10mm Size: Approx. 120 x 10 x 8mm / 4.7 x 0.4 x 0.3in 12mm Size: Approx. 124 x 12 x 8mm / 4.9 x 0.5 x 0.3in Package List: 5 x Drill Bits Package List 5 x Drill Bits