Furling systems require a slight aft pull on the halyard to avoid "halyard wrap" when the sail is furled or unfurled. Pullback/restrainers mounted near the masthead solve this common problem by simply deflecting the halyard away from your headstay.
Simple, rugged design solves most rigging problems
Flared top and bottom to eliminate halyard chafe
Model 32-80 replaces the flared saddle (shown) with a SS half-moon block with a 1-7/16" diameter aluminum sheave