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.
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