Features Versatile Woodworking Cutter: Perfect for trimming and chamfering various woods, providing quick and precise chamfered flats for enhanced accuracy and efficiency. Durable Tungsten Steel Alloy: Crafted from thickened tungsten steel alloy with oxidation treatment for exceptional strength and wear resistance, ensuring a long-lasting performance. Adjustable Cutting Depth: Equipped with adjustable screws to customize cutting depth, and lock-in feature prevents wobbling for smooth and accurate cuts. 4-Piece Set: Includes 4 different-sized cutters in the package, offering versatility and practicality to suit various woodworking needs. Precision Cutting: Expertly crafted with fine workmanship and incisive edge for swift removal of sawdust, enhancing overall cutting performance. Specification: Item Type: Trim Bit Material: Tungsten Steel Alloy Uses: For woodworking grooving or other woodworking Coating: PTFE Coating Shank Diameter: 1/4in Package List: 1 x Trimming Bit 1/4 x 1/4 x 20 1 x Trimming Bit 1/4 x 5/16 x 26 1 x Trimming Bit 1/4 x 3/8 x 30 1 x Trimming Bit 1/4 x 1/2 x 30 Note: betweendiv>1. Please avoid cutting metal and non wood materials such as steel, iron and sand.between/div>betweendiv>2. The cutter body of the milling cutter is 45 gauge steel, please keep it away from water to avoid rust.between/div> Package List 1 x Trimming Bit 1/4 x 1/4 x 20 1 x Trimming Bit 1/4 x 5/16 x 26 1 x Trimming Bit 1/4 x 3/8 x 30 1 x Trimming Bit 1/4 x 1/2 x 30