Ronstan's All Purpose (AP) blocks use self-lubricating Acetal polymer sheaves with polished stainless steel races that allow these blocks to handle dynamic and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.
Made from our UV resistant, stain resistant marine grade carpet material and back with a non-skid, non marking rubber that won't deteriorate over time.
For accurate, repeatable tuning of 3/16", 7/32", or 1/4" cable diameters of a sailboat's standing rigging. Aid in setting the tension of supporting cables for radio towers, large tents, and other structures.
Provides an international standard for safe stowage and securing of cargoes to promote the safety of life both at sea and during loading and discharge.
The world’s first intelligent universal inline terminator. This NMEA2000 terminator can be used as either a Male or Female terminator or a feed-through terminator for applications at the top of the mast or transom of the boat, making it truly universal.
Midrange Hexaratchet blocks grip loaded sheets, yet allow sailors to ease and trim quickly and with complete control. A switch on the side engages and disengages the ratchet mechanism.
This famous set of mathematical tables first published in 1803 with all the tables required for coastal and deep sea navigation. An essential requirement for anyone learning and practising astro-navigation.
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