1.diamond lapping paste 2.oil and water based 3.#700_#15000 4.5g/pc 4.synthetic diamond grit synthetic diamondCharacteristics: shape and purity after ... measures. Appliction field: Conventional lapping, grinding and polishing of optical objects, magnet heads, HDD, gems and electroplated articles. Available Sizes 0-0 ... 20-40 30-40 40-60 50-70 60-80 and 100/120,120/140,140/170,170/200,200/230 ...