... rails guide ways 3CE Certificate CNC Stone Router Model:G-1218CNC Stone Router Adopting imported linear square rails ... extend the service life of machine.Redsail CNC Stone Routers are fit for engraving and cutting on ... bluestone, marble, granite, sandstone, glass, stone carving and etc.Standard Features:X, Y, Z ... , 2 pieces CarvingBit, 2 pieces Carving Bit B, 2 pieces Cove Box Bit and 4 pieces ...