1) Material: polyester fiber, nylon fiber 2) Safety factor: 5:1, 6:1, 7:1, 8:1 3) Work load limited: 1 - 1,000MT We can supply round slings, including eye and eye round slings, endless round slingsand round slings with lifting eyes.Features:1) Material: polyester fiber, nylon fiber2) Safety factor: 5:1, 6:1, 7:1, 8:13) Work load limited: 1 - 1,000MT4) Length range: 1 - 100m. Round Slings