Condition:Brand New. Product: Original HIWIN Brand HGR20 Linear Guide. Quantity: 2pcs HGR20 Linear rails. 4pcs HGH20CA-ZA-C Narrow Carriages This linear guide rail set includes 2pcs 7., 87 inch long HGR20 rail shafts and 4pcs Industry-standard HGR20CA bearing slide blocks. The slide block is used in conjunction with the rail and the internal linear bearing ensures smooth sliding 4 x HGH20CA Slider Blocks – Low-friction, high-precision carriages for smooth movement. CNC Linear Motion Rails HLTNC HGR20 20MM Square Linear 1100mm 1150mm 1200mm Guide Rail Kit With HGH20CA HGW20CC Carriages Block For CNC Engraving Route - 13 HGH20CA Carriage Slider Block Snapklik.co : GUWANJI 2Set HGR20-400 Square Linear Guide Rail 4Pcs... The shaft of the linear slide rail is made of high quality carbon steel, and the bearing block is made of an aluminum alloy, which is sturdy and durable 2 x HGR20-300MM Linear Rails – Heavy-duty construction ensures stability and load-bearing capacity. Linear Rail, HGR20 x 1500mm with HGH20CA Block – 3D Printing Store Also, applicable for large-scale transmission equipment, including industrial robots