Features Precise size design V shaped contour design is specially used for V Slot linear guide C Beam linear guide & Open Rail track Precise cutting self centering & self lubricating Strong material with excellent wear rate Simple & easy to assemble All components are manufactured & tested in accordance with strict guidelines Rockwell hardness M80 Compressive strength 63 MPAOD 23 90ID 15 974 0 026 Thickness 10 23mm Material Polyformaldehyde Colour Black Package included 1 x V Slot Linear Guide Black Mini V Pulley