Feature: 1. SPECIFICATIONS: Rail and stile router bit, T shape and 3 tooth design, ensures quick chip evacuation, which is efficient and labor saving in operation. 2. EXCELLENT METAL: The milling cutter is made of thickened tungsten steel alloy, with PTFE coating, has high hardness, wear and corrosion resistant. 3. ADJUSTABLE DEPTH: The router bit is equipped with adjustment screw, which can adjust the cutting depth according to the needs, convenient and practical. 4. STABLE STRUCTURE: The T shape router bit has a compact structure, the blade locks in place to prevent shaking during operation for accurate operation. 5. STANDARD SHANK: These router bits have standard 1/2in shank, easy to install and replace, widely used for woodworking slotting and trimming, etc. Specification: Item Type: Router Bit Material: Tungsten Steel Alloy Model: 1/2x1-7/8x5/32 Uses: Used for woodworking slotting, etc. Surface Coating: PTFE coating Shank Diameter: 12.7mm (1/2in). Package List: 1 x Single Blade Router Bit1 x Double Blade Router Bit Note: Please avoid cutting metal and non wood materials such as steel, iron and sand. The cutter body of the milling cutter is 45 steel, please keep it away from water to avoid rust.