Long Service Life Clean cutting, smooth rotation, fast operation, high hardness, good wear resistance, greatly improves the service life, no burrs. Various Sizes 8 mm - Shank Diameter: 3/4" - Cutter Height: 20mm 8 mm - Shank Diameter: 3/4" - Cutter Height: 25.4 mm. 8 mm - Shank Diameter: 3/4" - Cutter Height: 38.1 mm. 8 mm - Shank Diameter: 3/4" - Cutter Height: 50.8 mm. High Quality Material - Body Material: Solid Hardened Steel. Blade Material: Industrial Grade Micro-Grain Carbide Widely UsedSuitable for all types of cutting and engraving machines. Suitable for wood, MDF, particleboard, plywood and other compact panels. UsageCan be used to form a wooden door, very sharp, sharp blade cuts smoothly without burrs, no burrs. The structure is simple and easy to use. For your daily carpentry work offers a lot of comfort. Features Cut a clean and smooth rotation. Fast operation, high hardness, good wear resistance, greatly improves the service life. Sharp blade cutting smoothly, no burrs, no burrs. Type: Router Body Material: Hardened Steel Blade Material: Industrial Grade Micrograin Carbide Shank Diameter: 8mm Contents: 4PCS Router Bits 8mm - Shank Diameter: 3/4" - Cutter Height: 20mm. 8mm - Shank Diameter: 3/4" - Cutter Height: 25.4mm. 8mm - Diameter Shank Diameter: 3/4" - Cutter Height: 38.1 mm. 8 mm - Shank Diameter: 3/4" - Cutter Height: 50.8 mm.