【Size】Diameter 5''(125mm), Bore 7/8''(22.23mm), Diamond Segment Thickness 5mm, Diamond Grit #40/50 【Application】Suitable for dry/wet grinding Concrete, Granite, Marble, Masonry, Artificial Stone, etc 【Turbo Row and Air Holes Design】5mm thickness diamond turbo segement, compact arrangement and good grinding effect. Air holes helps dissipate heat, remove debris and prolong the working life of the product 【High Preformance】Sintering Technology and high-quality diamond grains provides fast and smooth grinding. Strong body can bear hard work, durable, low cost and high efficiency 【Recommended Machine】Angle Grinder. Recommended speed 7000RPM, maximum speed 12000RPM 【Size】Diameter 5''(125mm), Bore 7/8''(22.23mm), Diamond Segment Thickness 5mm, Diamond Grit #40/50 【Application】Suitable for dry/wet grinding Concrete, Granite, Marble, Masonry, Artificial Stone, etc 【Turbo Row and Air Holes Design】5mm thickness diamond turbo segement, compact arrangement and good grinding effect. Air holes helps dissipate heat, remove debris and prolong the working life of the product 【High Preformance】Sintering Technology and high-quality diamond grains provides fast and smooth grinding. Strong body can bear hard work, durable, low cost and high efficiency 【Recommended Machine】Angle Grinder. Recommended speed 7000RPM, maximum speed 12000RPM