High-performance end controls allow the installation of 2:1 to 4:1 purchases. Designed for high-performance, free-running systems, Carbo control blocks with Delrin® ball bearings let cars instantly adjust and release under load. Assemblies secure to track, eliminating additional holes. Tough one-piece bases are machined from a single piece of aluminum.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.