Features: Achieve professional results with this 100mm diamonds polishing pad set, engineered for granite, concrete, marble, stone, and tile surfaces using resin bonded diamonds abrasives. Features strategically placed water feed holes in the plastic backing plate for efficient wet polishing, reducing heat buildup and extending disc lifespans during intensively grinding tasks. Ideal for stone fabricators, construction crews, and DIY enthusiasts requiring durability surfaces preparation tool for renovation projects. Perfect for countertop installations, floor restoration, and architectural stonework where precise polishing meets industrial grade material removal demands. Includes 8 progressively gritted diamonds pad (50# to 10000#) for complete coarse to fine finishing cycles, ensuring scratchfree surfaces across masonry and natural stone applications. Specifications: Component: Plastic Diameter:Approx.100mm/3.94inch Product name: 4inch 100mm diamonds water grinding sheet 4Option Type; Uses: diamonds, Marble, Stone, Cements Floor, Ceramic, Mixed Soil Package Includes: Package A 1Set/8pcs Polishing Pad (1x50# +1x100# +1x200# +1x400# +1x800# +1x1500# +1x3000# + 4inch m14sticker plate) Package B 1Set/10pcs Polishing Pad (1x50# +1x100#+1x150#+1x300#1x500#1x800#1x1000#1x1500#+1x3000#+1x4inch m14sticker plate) Package C 1Set/12pcs Polishing Pad(3x50#+2x100#+200#+400#+800#+1500#+3000#+6000#+4inch m14sticker plate) Package D 1Set/16pcs Polishing Pad (3x50# +3x100# +2x200# + 2x400# +2x800# +1x3000# +1x6000# +1x10000#+m14sticker plate) note: Please allow 1-10mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.