VEVOR Linear Rail Set, SBR20 2 PCS SBR20 4 PCS SBR20UU Slide Blocks, Linear

This Linear rail kit includes 2 pieces of 31.5 in / 800 mm long SBR20 rail shafts and 4 SBR20UU blocks. The bearing steel central axle is solid and durable. Performs well in automation machinery such as DIY CNC routers, lathes, machine tools, bending machines, etc. Age Group: adult.