Technical details:

It is intended for lowering and hoisting anchors weighing up to 20 kg. The design consists of a cast body with 27.7° side splines, a free-rotating roller and a D-shaped guide ring, as well as an As222-1 reinforced male adapter with double-sided splines, shaped as a 12 pointed star, which is connected to the roller body by tilt joint with a set of Dp230 7.5° washers and an end washer. The tilt position is fixed using a M6*50 DIN 931 bolt and a hex knob with an inserted M6 DIN 934 nut. Fits for a halyard Ø up to 10 mm. The assembly also includes fasteners: two M6*55 DIN 912 screws, and two M6 DIN 985 self-locking nuts. The adapter is equipped with an O-ring. The main parts are made of fiberglass-reinforced polyamide. Fasteners and a spring are made of A2 (AISI 304) stainless steel (except for an M6 DIN 934 brass nut).