· UV-resistant acetal sheave.
· Dual ball bearing system runs on a polished stainless steel track and acetal base, providing minimum weight and high strength.
· Aluminium sheave versions use Torlon® balls.
· 316 stainless steel swivel.
· Fiber-reinforced and UV-resistant nylon block.
· The flushing holes for the ball bearings make it easy to rinse salt and sand out of the balls to ensure a long and reliable service life for the blocks.
