Self Locking Hook Clevis - 13 MM - Sparex Part S.21540Self Locking Hook Clevis 13mm S. 21540 Introducing the Self Locking Hook Clevis from Sparex, designed for superior strength and reliability. With a safe working load (SWL) of 5. 40 tons and a minimum breaking strength (M. B. S.) of 21. 60 tons, this hook clevis is perfect for a variety of heavy duty applications. A Manufacturer's Test Certificate is available, ensuring the highest quality and safety standards. Product Specifications Brand Sparex