VEVOR Linear Guide Set, SFC20 1000mm, Comes with Two 39.4 in/1000 mm SFC20 Guides, Four SC20 Slide Blocks, and Four Guide Supports for Automated Machinery and CNC TasksHandle Pressure with EaseSmooth Sliding without StutterMore Accurate Than EverBroad Usage ScenariosStrong Corrosion ResistanceInstallation Made EasyShaft Diameter: Φ20 mm,Material: High Carbon Steel & Aluminum,Model Number: SFC20-1000L,Product Dimensions(L x W x H): 39.4 x 4.7 x 2 in/1000 x 120 x 51 mm,Package Size(L x W x H): 43.3 x 5.7 x 3.1 in/1100 x 145 x 80 mm,Dynamic Load (per block): 882 N,Mounting Hole Distance B: 1.6 in/40 mm,Mounting Hole Distance A: 1.6 in/40 mm,Slide Block Size(L x W x H): 2 x 2.1 x 1.6 in/50 x 54 x 41 mm,Static Load (per block): 1370 N,Slide Block Model: SC20,Net Weight: 7.3 lbs/3.3 kg,Guide Rail Length: 39.4 in/1000 mm