... KR1212 CNC Engraving Router: 1.Work on the metal, sign marking, plastic board. 2.High speed and low noise. 3.CE Certificate. CNC Engraving Router KR1212: ... mechanical aspect.Break point and break knife continue engraving function, can engrave at any place.The compatibility ... marble, granite, glass, stone etc. Specifications: Machine Description:CNC Engraving RouterX, Y, Z working area:1200mm x 1200mm x ...