Used in place of metal shackles. Will not damage paintwork, corrode or rust. Made of UHMWPE - has both the highest abrasion resistance and highest impact strength of any plastic.
43311: Dimension: .25\" x 3.15\" (equivalent: 3/8\" metal shackle) 43321: Dimension: .55\" X 5.9\" (equivalent: 3/4\" metal shackle)