Item: DT-DIATOOL Hexagon Double-sided Cutting and Grinding Saw Blades for Tile Ceramic Marble Stone Quantity: 1pc /2pcs/3pcs/5pcs Specification: Diameter :105mm/4''; 115mm/4.5 "; 125mm/5"; Diamond height 20mm(4'')/25mm(4.5'', 5''; Segment Thickness 1.7mm;Grit:#60/70;Bore 22.23mm (with a 15.875mm washer inside) Application:Suitable for dry and wet cutting of Ceramic tile, Porcelain Tile,Marble, Artificial Stone, etc Feature: 1. Fast and Smooth Cutting-- Hexagon cutter head design and double-sided 25mm cutter head height provide neat cutting and grinding. 2. Less Debris and Long Life--Hot pressed sintering tech and high-strength matrix, more stable.#60/70 diamond makes cutting clean. 3. Dry or wet use. Attention: 105mm:Recommended RPM 9000; Max RPM:15000. 115mm:Recommended RPM 8000; Max RPM:13200. 125mm:Recommended RPM 7000; Max RPM:12000. Ref. Brand: This product is marked our "DT-DIATOOL" brand name. If you need these diamond disc without our brand, please leave us message. we could send you products without brand. We also provide brand-customizing service (If you order more 20pcs, we could mark your brand name on these products). Note: Please allow 1-3mm errors due to manual measurement Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same