Product Description: Rod Diameter: 8mm; Cutting Diameter: 15.9mm; Cutting Length: 30mm/40mm/50mm; Total Length: 75mm/84mm/94mm. Product Features: Stable precision, fine workmanship, rust resistance, clean and crisp cuts, smooth rotation, fast operation, and significantly extended service life. No burrs on cut materials. PTFE Coating: Heat-resistant PTFE coating prevents the accumulation of sawdust, resin, and asphalt; good wear resistance and long service life. Robust Anti-Rebound Design: Hardened steel body with anti-rebound balance design, equipped with high-quality CNC guide rails and bearings. Professional Woodworking Tool: Perfect for trimming various large pieces of wood; can cut various composite materials, plywood, hardwood, and softwood. Name: Straight Blade Bearing Packaging Material: Blade head made of YG8 alloy, blade body made of 45# carbon steel; Weight: 58g, 64g, 73g, 3-piece set total 195g; Uses: For grooving and cutting wood. Size errors of 0.1-0.3 inches are due to manual measurement and are within the normal range. Colors may vary slightly due to lighting, screen, etc.