Linear Guide Rail Set, SBR16 1500mm, 2 PCS 59 in/1500 mm SBR16 Guide Rails and 4 PCS SBR16UU Slide Blocks, Linear Rails and Bearings Kit for Automated Machines DIY Project CNC Router Machines Handle Pressure with Ease Smooth Sliding without Stutter More Accurate Than Ever Broad Usage Scenarios Strong Corrosion Resistance Installation Made Easy Shaft Diameter: Φ16 mm,Material: High Carbon Steel & Aluminum,Model Number: SBR16-C 1500L,Product Dimensions(L x W x H): 59 x 3.1 x 1.3 in/1500 x 80 x 32.2 mm,Package Size(L x W x H): 64.2 x 5.1 x 3.1 in/1630 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: 15.9 lbs/7.2 kg,Guide Rail Length: 59 in/1500 mm