ITEM NAME:8Mm 300Mm Linear Rail Shaft With Sk8 Scs8Uu Guide Support Bearing Slip Moto A1F2 8Mm 300Mm Linear Rail Shaft With Sk8 Scs8Uu Guide Support Bearing Slip Moto A1F2 Model Number:ï ¼Å¸SCS8UU Specification:Brand new and high quality Size:Approx. 300x8mm(L*D) Aluminum support rail withpre-drilled holes for ease of mounting No more unwanted errors inyour machining work Perfect for your DIY CNC routers,mills,lathes Color:silver Material:aluminum alloy Package Contents: 2* steel optical axis 4* aluminum rail support 4* linear slider.Model Number:ï ¼Å¸SCS8UU. 2 steel optical axis. 4 linear slider. Aluminum support rail withpre-drilled holes for ease of mounting. 4 aluminum rail support. No more unwanted errors inyour machining work.