Showing 97–112 of 161 results
Element blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. The Element design pairs the minimum amount of metal required to protect the sheave with a proven journal bearing. Size for size, Element blocks are priced significantly lower than previous budget blocks from Harken. Sideplates…
Harken’s line of stainless steel blocks reflect the traditional beauty of your yacht’s classic lines. Stainless sideplates are mirror-polished for durability and unmatched esthetics. The ultralight composite bearing system (ULC) rides on a heat-treated stainless steel inner race to handle extremely high loads. Snap-fit Torlon® ball bearings carry thrust loads. Note breaking load is 2x…
Ronstan Series 40 All Purpose Blocks A great all around solution for boats up to 26ft (8m). Ronstan Series 40 blocks feature high working loads and a self-lubricating Acetal polymer sheave that ensures low friction and extreme durability.  Common uses are mainsheets, halyards, vang and spinnaker control lines on off-the-beach cats and one design classes and…
Ronstan Series 40 All Purpose Blocks A great all around solution for boats up to 26ft (8m). Ronstan Series 40 blocks feature high working loads and a self-lubricating Acetal polymer sheave that ensures low friction and extreme durability.  Common uses are mainsheets, halyards, vang and spinnaker control lines on off-the-beach cats and one design classes and…
Ronstan Series 40 All Purpose Blocks A great all around solution for boats up to 26ft (8m). Ronstan Series 40 blocks feature high working loads and a self-lubricating Acetal polymer sheave that ensures low friction and extreme durability.  Common uses are mainsheets, halyards, vang and spinnaker control lines on off-the-beach cats and one design classes and…
Ronstan Series 40 All Purpose Blocks A great all around solution for boats up to 26ft (8m). Ronstan Series 40 blocks feature high working loads and a self-lubricating Acetal polymer sheave that ensures low friction and extreme durability.  Common uses are mainsheets, halyards, vang and spinnaker control lines on off-the-beach cats and one design classes and…
Ronstan Series 40 All Purpose Blocks A great all around solution for boats up to 26ft (8m). Â They feature high working loads and a self-lubrication Acetal polymer sheave that ensures low friction and extreme durability. Â Commonly uses are mainsheet, haylards, vang and spinnaker control lines on off-the-beach cats and one design classes and sportboats. Â …
Ronstan Series 40 All Purpose Blocks A great all around solution for boats up to 26ft (8m). Ronstan Series 40 blocks feature high working loads and a self-lubricating Acetal polymer sheave that ensures low friction and extreme durability.  Common uses are mainsheets, halyards, vang and spinnaker control lines on off-the-beach cats and one design classes and…
Ronstan All Purpose Blocks A great all around solution for boats up to 33ft. Â They feature high working loads and self-lubricating Acetal polymer sheave ensure low friction and extreme durability. Â Commonly used for sheets, halyards and control lines. Â Sheave: 50mm Max Line: 12mm Part # Description Max Rope Dia Pin Dia M.W.L B.L. 51100…
Ronstan All Purpose Blocks A great all around solution for boats up to 33ft. Â They feature high working loads and self-lubricating Acetal polymer sheave ensure low friction and extreme durability. Â Commonly used for sheets, halyards and control lines. Â Sheave: 54mm Max Line: 10mm Part # Description Max Rope Dia Pin Dia M.W.L B.L. 51100…
Ronstan All Purpose Blocks A great all around solution for boats up to 33ft. Â They feature high working loads and self-lubricating Acetal polymer sheave ensure low friction and extreme durability. Â Commonly used for sheets, halyards and control lines. Â Sheave: 54mm Max Line: 10mm Part # Description Max Rope Dia Pin Dia M.W.L B.L. 51100…
Ronstan All Purpose Blocks A great all around solution for boats up to 33ft. Â They feature high working loads and self-lubricating Acetal polymer sheave ensure low friction and extreme durability. Â Commonly used for sheets, halyards and control lines. Â Sheave: 50mm Max Line: 12mm Part # Description Max Rope Dia Pin Dia M.W.L B.L. 51100…
Ronstan All Purpose Blocks A great all around solution for boats up to 33ft. Â They feature high working loads and self-lubrication Acetal polymer sheave ensures low friction and extreme durability. Â Commonly used for sheets, halyards and control lines. Â Sheave: 50mm Max Line: 12mm Part # Description Sheave Dia Max Rope Dia Pin Dia M.W.L…
Schaefer One Series Blocks have introduced many sailors to their first sailing experiences on dinghys, prams and small daysailers around the globe. Offered in a complete range of configurations to meet the needs of todays small boat sailors.
Schaefer’s 10 Series blocks feature Stainless Steel cheeks, forged “D” shackles, Universal head swivels, Stainless Steel straps for exceptional strength and your choice of either Lexan or our High performance “UC” sheaves. Lexan sheaves use our Nomex/Teflon bearings for high strength and a low-friction bearing surface. “UC” sheaves use this bearing as well as a…
Schaefer’s 10 Series blocks feature Stainless Steel cheeks, forged “D” shackles, Universal head swivels, Stainless Steel straps for exceptional strength and your choice of either Lexan or our High performance “UC” sheaves. Lexan sheaves use our Nomex/Teflon bearings for high strength and a low-friction bearing surface. “UC” sheaves use this bearing as well as a…
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