Features: Made of premium alloy, which is sturdy and durable. Cuts all composition materials, plywoods, hardwoods, and softwoods. Creates smoothly radiused edges on boards and panels. For increased work piece visibility, use shank bearing flush trim bit in a handheld router allowing the template to be positioned on top of the work piece. An essential tool for woodworkers, wide applications fit for slotting, engraving, cutting, milling, etc. Specification: Material: Alloy Weight: Approx.110g/ 3.9oz Shank diameter: 1/4" Size: 1/4*1/4, 1/4*3/8, 1/4*3/4 Cutter diameter: 19mm/0.75in, 22mm/0.87in, 32mm/1.26in Color: Blue Package List: 3 * Router Bit Note: Please allow slight error due to manual measurement. Thanks for your understanding. 1、Made of premium alloy, which is sturdy and durable. 2、Cuts all composition materials, plywoods, hardwoods, and softwoods. 3、Creates smoothly radiused edges on boards and panels. 4、For increased work piece visibility, use shank bearing flush trim bit in a handheld router allowing the template to be positioned on top of the work piece. 5、An essential tool for woodworkers, wide applications fit for slotting, engraving, cutting, milling, etc.