Excellent around the frame machine to help hold a frame while diamond is being pulled. 5/16' (7.94mm) Chain (anodized) Specifications: Overall Length 6'(228mm) Weight 2 lbs.(91 kg) Capacity 4 tons (3,629kg) ABTM part number: MCL-6318 Contact Us For More Details Email: info@5startools.com Website : https://www.5startools.com/ Cell:773-225-5975 Cell: 312-890-6823 Based in Chicago IL.