... square guide rail 3.Strong steel structure 4.with groove&gutter stone cnc router SH-9015Application:Engraving and cutting, engrave ... on marble, granite, tombstone, jade and other stone material, also, glass, plastic, acrylic, metal and other non ... operation, Powerful, adapt for many fields.Economic: high quality with reasonable price, save cost.Technical parameters: ModelSH-9015X,Y,Z ...