Ronstan Ratchet Orbit Blocks, Series 40 - Single, Manual, Swivel Shackle Head latch 10 Course Mapping Memory

10 Course Mapping Memory

60 degree beam angle

By selecting the right tach and setting the switch on the back to the correct position you let the tachometer know how many pulses are sent per each engine revolution

This lightweight design has been tested to over 100 PSI and has been a favorite among world class boat racers for years

Ronstan Ratchet Orbit Blocks, Series 40 - Single, Manual, Swivel Shackle Head latch 10 Course Mapping MemoryFeatures: Up to 14: 1 holding power highest available! Smooth easing of sheets Manual ON OFF ratchet selection Swivel shackle head for unlimited block rotation. Stainless steel shackle head and compatibility with sharp fixing points Application: Dinghy mainsheet systems Mainsheet fine tune systems on sportsboats & small keel boats Mainsheet systems on sportsboats using RF7 mainsheet swivel cleat unit Spinnaker and job sheets on dinghies especially