CNC Router HIWIN HGR20 HGH20 Linear Guide Rail & 2pc HGH20CA HGW20CC Rail BlockPackage Included :2pc x Rail block and 1pc Linear Rail Slide Brand : HIWIN Rail type : interchangeable types Block type : square Type Size : 20mm Load Type: Heavy Load Block Mounting: Mounting from Top Accuracy: C preload Code : ZA Applications: Engraving machine, Machine centers, Machine tools, Precision machining machines, Heavy cutting machines, Punching machines, Marble cutting machines, Automatic equipment, Grinding machines, High speed transfer equipment, Injection molding machines, Measuring equipment. Dimensions: