Feature: 1. Made of high quality materials, strong, safe to use and durable. 2. Wide range of application, multifunctional, practical and convenient. 3. It can be used to grind planing knives, drills, scissors, knives, etc. 4. High hardness grinding wheel, high speeds grinding, grinding faster. 5. A good helper for family trimming, providing many convenience for daily life. Specification: Condition: 100% Brand New Item Type: Grinding Wheel Material: Diamond + Stainless Steel Diameter: Approx. 5.6cm / 2.2in Hole Diameter: Approx. 1cm / 0.39in Height: Approx. 0.8cm / 0.31in Grit: 180 Grit, 360 Grit, 600 Grit, 800 Grit (optional) Weight: Approx. 87g-121g / 3.1oz-4.3oz. Package List: 1 x Grinding Wheel1 x Shaft1 x Nut1 x Wrench