Type:Diamond Grinding Wheel Diameter:125mm/5inch Hole Diameter:22.23mm/0.86inch/(7/8 inch) Features: Made of high quality diamond,sharper,wear resistant and durable. Turbine section arrangement for optimum grinding results. Apply to concrete, ceramics,screed, natural and artificial stone angle grinding work.Remove tile adhesive, filler, hardened plaster, template transition and the broken edge of fresh concrete parts. Generally construction site tool,professional and practical. Package included: 1pc Diamond Grinding Cup Wheel Note: Please allow 1-3mm errors due to manual measurement. The picture may not reflect the actual color due to light and different screen.