6"x2"x1" Carborundum grinding hand stones. 8"x2"x2" Carborundum grinding machine stones. Diamond grinding pads. 4" Carborundum Cup Wheels for grinding staircase and skirting; 4" Diamond Cup Wheels. HCL Acid for cleaning terrazzo floor before applying polish. Terrazzo polish. We have wide range of terrazzo polish as follows: Snowbright Terrazzo Polish.