Keeper Performance Engineered Slings are made from Hi-Test webbing and meet WSTDA standards. Keeper polyester web slings with flat eye to eye loop ends are versatile slings for general use. Use in choker, basket or vertical hitches. Heavy duty fabric covered loop ends are more durable. Keeper 1″, 1 Ply slings have vertical/choker/basket capacities of 1600lb/1280lb/3200lb and have a Class 7 rating that uses 10,000lb webbing (9,800lb webbing per inch width minimum).