5-3841 features a 3 ply 600 lbs. PIW carcass and a smooth top and bottom surface. The beefy 3/8″ thick top cover and high strength synthetic fabric results in a long wearing, mildew and rot resistant, low stretch belt. 3 Ply 600 3/8 x 1/8 STD is excellent for heavy duty, high weight, abrasive applications. It is used to convey gravel, rock, ore, limestone and many other industrial materials. It is also used as an elevator belt.