4Pcs Router Bit Set Feanron Router Bits 1/4 Inch Shank Set Cutting Diameter In 1. 1/4 Router Bit Set, radius 1/8", 1/4", 3/16", 5/16", good quality guide bearings provide superior wear resistance 2. Industrial-grade C2 carbide router bit set, high -tech special grinding process, smooth cutting, high hardness, high quality 3.Different types of connections router bits, such as straight, curved, round or irregular, can bypasses the edges through the edges to make it smoother and appearance 4. Widely used applications, suitable for wood, laminate, particleboard, plywood compact panel, acrylic, and etc, change the depth of cutting by use different radius to polish 5. Easy to carry, not only home decoration and polishing, but also suitable for light industries