Cut difficult jobs down to size with Hilti Electric Diamond Cutters, Depth Gauges, and Diamond Cutting Discs. The DCH 230 uses 9" discs for a max cutting depth of 3-3/8" while the DCH 300 Electric Diamond Cutter utilizes 12" discs for a max cutting depths to 4-3/4". For ordering information on Electric Diamond Cutters manufactured by Hilti, or tech information, call Ohio Service Supply.