About Us: Qjaiune is proud to provide consumers with satisfactory and high-quality products. All our products have undergone strict quality inspection before packaging, so you can buy with confidence. Satisfying the needs of customers is the top priority of Qjaiune, we are committed to making your work easier through our products, you can completely trust the quality of Qjaiune's products. Product Advantages: The upgraded metal hole saw cutter is more durable than the traditional bimetal hole saw. It can not only cut Wood, Plastic, Cornhole Boards, Thin Metal, Drywall, but also can be used to cut holes quickly and accurately on Stainless Steel, Sheet Metal, Brass, Aluminum, etc. Product Specifications: Material: Tungsten Carbide (TCT hole saw) Finish Type: Oil-Coated (Anti-Rust) & Titanium-Plated Pilot Drill Bit Cutting Diameter: 1-11/16 Inch / 42mm Cutting Depth: 1 inch / 25.4mm Pilot Drill Bit Diameter: 0.24 inch / 6mm Arbor Shank Diameter: 0.39 inch / 10mm Packing: Boxed Package Contains: 1 x Tungsten Carbide Hole Saw Tips: Titanium-plated drill bit, spring, and wrench are included. About Service: Qjaiune is committed to providing customers with high-quality products. If within 30 days you are not 100% satisfied with the product, such as buying the wrong size, please feel free to contact us, we will within 24 hours provide you with a satisfactory solution.