2pcs SBR10 Linear rail + any length4pcs SBR10UU/SBR10LUUSBR GUIDE RAIL SLIDER SEThigh-quality SBR linear guide rail includes 2 guide rails and four slide blocks. The sturdy aluminum handbook rails function exact gap diameter and distance, while the SBR slide blocks utilize ball bearings for delicate and unobstructed movement.High high quality product raw materials be sure that all alerts and parameters of product material high quality are qualified, with high paintings efficiency.Our set of normal tolerances does not have any errors in the axis, with inside fexibility and exterior rigidity, excessive straiqhtness,suitable for different purposes.Exquisite and whole guide rails to satisfy work standards all over again reveal advantageous and excellent craftsmanship.SBR…UU/SBR ...LUU WITH DUST COVER/PRESSING PLATEDURABLE AND LONG-LASTING LONG SERVICE LIFEClear blocks are all excellent retainers, with out a ball beads or stuck balls. The handbook rail groove has excessive accuracy and an extended carrier life.FOCUS ON DETAILS FINE WORKMANSHIPPay attention to details for trimming, reject burrs and unevenness,and set up sliders conveniently.STRUCTURE SLIDER CONSTRUCTIONMade of high-strength aluminum alloy, durable and treated with oxidation and rust prevention at the surface. PRODUCTINFORMATION SPECIFICATIONPRODUCT REAL SHOT DISPLAY