VEVOR Linear Motion Kit, SFC16 1000mm, Includes 2 Rails of 39.4 inches, 4 SC16 Carriage Blocks, and 4 Support Brackets, Ideal for CNC and Automation Projects 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: SFC16-1000L,Product Dimensions(L x W x H): 39.4 x 3.8 x 1.7 in/1000 x 96 x 44 mm,Package Size(L x W x H): 43.3 x 5.1 x 3.1 in/1100 x 130 x 80 mm,Dynamic Load (per block): 774 N,Mounting Hole Distance B: 1.4 in/36 mm,Mounting Hole Distance A: 1.4 in/36 mm,Slide Block Size(L x W x H): 1.7 x 2 x 1.5 in/44 x 50 x 38.5 mm,Static Load (per block): 1180 N,Slide Block Model: SC16,Net Weight: 11.2 lbs/5.1 kg,Guide Rail Length: 39.4 in/1000 mm