They come in a number of different forms, from basic manual devices to complex attachments for power tools.Snapping pressure varies widely, some mass-produced models exerting over 750 kg.Over the time the tool evolved, incorporating elements that made it more accurate and productive.A simple hand held glass cutter is capable of scoring smooth ceramic glaze surface allowing the tile to be snapped.The diamond blades are mounted in: An angle grinder can be used for short, sometimes curved cuts.