Snap On Conveyor Guide Rail UHMW Polyethylene Grade Standard Plastic Length 10 ft Plastic Height 5/8 in Top Opening Width 3/8 in Bottom Opening Width 17/64 in Inside Width 3/8 in Inside Height 1/2 in White Plastic Clarity Opaque Tensile Strength 5 800 psi Impact Strength No Break Friction Coefficient 0.12 Water Absorption 0.01 Percent