Shaft diameter: 8mm; Cutting diameter: 1/2 inch (12.7mm); Cutting length: 50.8mm/63mm/76mm; Overall Length: 83mm 95mm 109mm. Premium Quality: Made from tungsten carbide, micro-grain grade, provides increased strength and superior durability; 100% brand new and high quality. Extra long straight cut, wood cutter. Use this versatile extra long cutter for all straight cuts, with 2-flute carbide cutting edges. Satisfaction: is committed to providing quality products and customer service to all of its customers. If you have any problems, please contact us and our after-sales team will solve your problems as soon as possible. Feature: Material: 45 tungsten carbide steel. Tungsten carbide tip: YG6. Shank diameter: 8mm. Cutting diameter: 12.7mm. Body: Solid Hardened Steel Blade: Industrial Grade Fine Grit Carbide Package: 3x Long Straight Cutter. Warm Tips: 1) The item is only for industrial cutting/engraving. 2) Please keep safe when not in use and wear good protective measures. 3) Can better cut deep and smooth edges, avoid cutting ferrous and non-wooden materials, iron, etc.