1/2 inch ATV Crosby-McKissick D-Shackles - North American Made (PAIR) (4X4 VEHICLE RECOVERY) Working Load Limit permanently cast on every shackle. Forged - Quenched and Tempered, with alloy pin. Rust resistant EPOXY finish. North American Made. IN STOCK - SHIPS TODAY! 4,000 lb Working Load Limit. 20,000 lb Ultimate Strength. 5/8 Pin Diameter.