Ball bearing swivel bases feature dual rows of Delrin® ball bearings that swivel freely even under high loads. Bases include stand-up springs and a U-adaptor to accept a variety of appropriate blocks. The low profile 205 is used when installation is at deck level and when smaller blocks are used.Delrin® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.
DO NOT use Harken equipment for human suspension unless product is specifically certified and labeled for such use.