Professional cutter for mosaics ideal for glass mosaic stones. 7″ (203mm) long.A slight turn of the carbide wheel brings a sharp edge to the glass as the cutting surface wears. Jaws open fully to 9/16″ (14mm). Carbide cutting wheels are 7/8″ (22mm) in diameter.All steel construction with spring return to full opening. Non-slip plastic handgrips.