SIZE-- 5"(125mm)*5pcs Vacuum Brazed Ultra-Thin Porous Rock Slab Cutting Blade. Thickness of cutter head is 1.6mm,Grit width of cutterhead is 30mm with 22.23/15.875mm (washers not knocked). APPLICATION-- Can be used for quick cutting and grinding of rock slabs, stone, tiles, marble, granite, glass, etc. DESIGN-- Ultra-thin saw blade design, period sharpness becomes high, multi-hole widening design, conducive to chip removal, increase heat dissipation performance at the same time to prevent clogging, prolong the service life of the cutting and grinding blade. GOOD PERFORMANCE--Preferred high grade diamond raw material, long life, diamonds closely arranged, high density, high hardness and more efficient. MACHINE-- Suitable for circular saw and angle grinder, cutting blade can be used both wet and dry. Recommended speed is 7000, maximum speed is 12000.