VEVOR Linear Guide Rail Set, SBR16 2000mm, 2 PCS 78.7 in/2000 mm SBR16 Guide Rails and 4 PCS SBR16UU Slide Blocks, Linear Rails and Bearings Kit for Automated Machines DIY Project CNC Router MachinesHandle Pressure with EaseSmooth Sliding without StutterMore Accurate Than EverBroad Usage ScenariosStrong Corrosion ResistanceInstallation Made EasyShaft Diameter: Φ16 mm,Material: High Carbon Steel & Aluminum,Model Number: SBR16-C 2000L,Product Dimensions(L x W x H): 78.7 x 3.1 x 1.3 in/2000 x 80 x 32.2 mm,Package Size(L x W x H): 82.7 x 5.1 x 3.1 in/2100 x 130 x 80 mm,Dynamic Load (per block): 774 N,Mounting Hole Distance B: 1.2 in/30 mm,Mounting Hole Distance A: 1.3 in/32 mm,Slide Block Size(L x W x H): 1.8 x 1.8 x 1.3 in/45 x 45 x 33 mm,Static Load (per block): 1180 N,Slide Block Model: SBR16UU,Net Weight: 22.7 lbs/10.3 kg,Guide Rail Length: 78.7 in/2000 mm