General description 1/2' Diameter Flush Trim Pattern Router Bit Set is designed for precision woodworking. This set includes high-grade carbide tipped bits that ensure stable quality and high efficiency. The bits feature both top and bottom bearings, making them versatile for various applications. Technical specifications Material: Carbide Tipped Shank Diameter: 1/4 Inch Bearing Diameter: 1/2 Inch Blade Lengths: 10mm, 20mm, 25mm, 38mm Color: Yellow Usage This router bit set is suitable for cutting all composition materials, including plywoods, hardwoods, and softwoods. The heat-resistant PTFE coating helps prevent the accumulation of wood chips, resin, and asphalt, ensuring smooth operation. Other information Package includes: 4 sizes of Woodworking Trim Router Bit