Features:* Using high-quality diamond, durable.* Heavy-duty diamond-coated head with ratchet for safe grip.* Suitable for dressing all kinds of grinding wheel, such as corundum mechanized grinding wheel, silicon carbide, resin grinding wheel, chlorinated silicon grinding wheel and so on. Specifications: Product Name: Dresser Diamond Wheel Material: Metal Color: Silver Grinding Surface Size: (Approx.) 31*13mm Handle Length: (Approx.) 93.5mm Suitable for: Dressing all kinds of grinding wheel, such as mechanized corundum grinding wheel, silicon carbide grinding wheel, resin grinding wheels, chlorinated silicon grinding wheels and so on Quantity: 2pcs Package includes: 1 dresser diamond wheel Note: 1. Transition: 1cm = 10mm = 0.39 inch.2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.3. Please allow slight manual measurement deviation for the data.