Grade 316 stainless steel bodies and pins Swivels are used in conjunction with blocks and rigging systems to provide articulation and rotation (not suitable for high speed rotating applications). Specifications A 4.0 mm B 10.0 mm C 22.0 mm D 6.0 mm P.L. B.L. 350 kg U.D.L. B.L. 500 kg Weight 10 g