... & glass 4.dia.3-20mm We have the following workshops: 1. Workshop 1: diamond electroplated products: diamond burrs, diamond files, diamond stone ... , carbide grout sawsflexible blade margin trowels, notch trowels, measuring tapesspirit levels, traffic cones, safety protection products, etc. Company instruction:We have ... to Japan, Germany, the USA and Australia Tile & Glass Bit-1(Round Shank) dia.3-20mm