KEEPER Performance Engineered® Slings are made from Hi-Test® webbing and meet WSTDA standards. Our 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. Tapered eyes are standard on slings over 3" wide. Our 4", 2 Ply slings have vertical/choker/basket capacities of 11000lb/8800lb/22000lb and have a Class 7 rating that uses 40,000lb webbing (9,800lb webbing per inch width minimum).