Snap On Conveyor Guide Rail UHMW Polyethylene Grade Standard Plastic Length 10 ft Plastic Height 1/2 in Top Opening Width 1/8 in Bottom Opening Width 1/16 in Inside Width 1/8 in Inside Height 3/8 in White Plastic Clarity Opaque Tensile Strength 5 800 psi Impact Strength No Break Friction Coefficient 0.12 Water Absorption 0.01 Percent