Features Durable 45 Steel Teeth: Crafted from high-hardness 45 steel, this hole cutter kit ensures quick and efficient cutting of clean, round holes in various materials Precision Split Guide Drill: Designed to prevent damage and misalignment, the split guide drill gradually leads the tool into the material for flawless results Versatile Material Compatibility: Ideal for cutting through steel, aluminum, wood, and more, this drill bit cutting tool adapts to a wide range of applications Enhanced Cutting Performance: Featuring a hardened treatment tip and staggered cutting teeth, this tool delivers counterbore functionality and smoother cleaning for superior performance Compact and Standard Sizes: The hole saw and coring bit come in standard sizes, making them easy to handle and perfect for both professionals and DIY enthusiasts Features: 1、45 STEEL TEETH: The coring bit hole saw is made of 45 steel teeth with high hardn and can quickly cut clean round holes. 2、NO DAMAGE: Split guide drill prevents damage and misalignment by gradually guiding the tool to the material. 3、APPLICABLE MATERIALS: This hole saw kit can be used in a wide range of materials such as steel, metal, aluminum, wood, etc. 4、HIGH PERFORMANCE: Hardened treatment tip with staggered cutting teeth for counterbore and smoother cleaning. 5、STANDARD SIZES: The hole saw and coring bit have standard sizes and compact structure, which are easy to use. Specification: Item Type: Carbide Hole Saw Material: 45 Steel + Carbide Hole Saw Length: Approx. 8cm / 3.1in Coring Bit Length: Approx. 6.8cm / 2.7in Punching Depth: Approx. 25mm / 1in Package List: 1 x Hole Saw 1 x Coring Drill 1 x Hex Wrench 1 x Storage Box Note: Can not be used for tile, glass, cement cutting. Package List 1 x Hole Saw 1 x Coring Drill 1 x Hex Wrench 1 x Storage Box