U Channel Stock, UHMW Polyethylene, Grade Standard, Plastic Length 10 ft, Plastic Length Tolerance +0.125/-0.000 in, Outside Leg Length 0.875 in, Outside Base Width 1.5 in, Inside Leg Length 0.5 in, Inside Base Width 1 in, White, Plastic Clarity Opaque, Tensile Strength 5,800 psi, Impact Strength No Break, Friction Coefficient 0.12, Water Absorption 0.01 Percent, Plastic Density 0.0339 lb/cu in, Plastic Hardness 66D