Keep ropes from becoming twisted or wrapped. Oval hole to accommodate 2 carabiners. Sealed bearing.
SMC Swivel: SpecificationsDimensions: 3.5" x 2" x 1.3"Weight: 4.5 oz (128g)Material: High quality aluminumFinish: Anodized3 Sigma test: MBS 9,892 lbf (44kN)NFPA 1983 CertifiedMade In USA