The belts exceed USA RMA published ratings levels. They are designed to perform at the identical or higher level than all other major USA Manufacturer's belts of the same Type. Belt A/4L 1/2 x 41in OC Product type - belts Made in china Package weight: 1.0 lbs ASIN B00NURNSO0 Brand Name D&D PowerDrive Unit Count 1 Count Item Weight 16 ounces Part Number 3841 Manufacturer D&D PowerDrive Style Number 3841 Material Type Rubber Number of Items 1 Item Dimensions L x W 41 L x 0.5 W