【400 Grit】The 400# diamond hand polishing pad can meet most of your polishing work. Size : 92 x 57 x 31mm / 3.6" x 2.2" x 1.2" (L*W*H). 【Durable Material】Professional polishing materials have the characteristics of wear and heat resistance. The Sanding Blocks are composed of high-strength diamond and high hardness sponge. Fast grinding force, good flexibility, high polishing efficiency and long service life. The polishing pads are reusable. 【Easy to grip】 This foam backing diamond sanding pads is soft, lightweight and more comfortable to grip. They can make polishing work more efficient. 【Widely Use】Can be used in both dry and wet polishing. The foam backing is absorbent. Work greatly for glass working, wood deburring, metal dedusting, stone polishing, tile, granite, ceramics, and other polishing. Easily and quickly solve the problems such as chipping, burrs, and edging in your life. 【Multiple Styles Offer Multiple Choices】 60/100/120# diamond core grinding pad, used for quick rough grinding, such as polishing floor tiles and ordinary slate. 200/240/400# are moderately rough and can be polished for details,such as polishing glass edges and wood surface. If you want more refined polishing, 1000# grit sand must be a good choice. The reusable dry wet dual purpose diamond polishing pads are must-have choice for every craft enthusiast or professional, suitable for glass processing, wood deburring, metal dust removal, ceramic tiles, granite, ceramics, and other stone polishing. Easily and quickly solve problems such as debris, burrs, and edges in daily life. Easily and quickly solve problems such as debris, burrs, and edges in daily life.