It includes 1 * 4 * 1-1/2 of 1*45-degree tenon cutters, 1 * 4 * 1/4 single row of 1 * 3-tooth T-shaped tenon cutters, 1 * 4 * 1/4 double row of 1 * 3-tooth T-shaped tenon cutters, 2 * bearing 8x22x6.9mm, and 1 * reducing ring 8 to 6.35. Suitable for desktop routers and other automatic routers and handheld devices. accurate and smooth T-shaped groove cutting, and make your carpentry . A necessary tool for carpenters and DIY enthusiasts. Wear resistance is extremely strong, with excellent strength, service life and wear resistance, ensuring consistent performance and reliability. Suitable for wood, MDF, plywood, compact panel, acrylic and particleboard. Do not cut steel, iron, sand and other metal and non-wood materials. Slotted milling cutter is equipped with anti- design to enhanced stability and reduce chattering. Name:Woodworking Milling Cutter Set Quantity:7pcs/set Colour:Silver & Black Material:alloy Package Contents: 1 * Woodworking milling cutter set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.