Features Precise size design V shaped contour design is specially used for V Slot linear guide C Beam linear guide and OpenRail track Precise cutting self centering and self lubricating Strong material with excellent wear rate Simple and easy to assemble All components are manufactured and tested in accordance with strict guidelines Rockwell hardness M80Compressive strength 63 MPAOD 23 90ID 15 974 0 026Thickness 10 23mmMaterial PolyformaldehydeColour Black Package included 1 x V Slot Linear Guide Black Mini V Pulley