blocks

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Lewmar 50mm Synchro Block - Single [29925001BK]

50mm Synchro Block - SingleLewmar's Synchro Blocks are engineered for speed, efficiency, and superior handling.  Using a combination of scientifically optimized block geometry, a Free-Spin bearing, and a self-aligning head...

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Lewmar 60mm HTX Block - Single [29196001]

60mm HTX Block - SingleYears of design and manufacturing experience coupled with collaboration with boat builders, designers, and sailors have resulted in the Lewmar HTX Hardware Range.  Drawing upon the...

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Lewmar 60mm Synchro Block - Single [29926001BK]

60mm Synchro Block - SingleLewmar's Synchro Blocks are engineered for speed, efficiency, and superior handling.  Using a combination of scientifically optimized block geometry, a Free-Spin bearing, and a self-aligning head...

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Lewmar 72mm HTX Block - Single [29197201]

72mm HTX Block - SingleYears of design and manufacturing experience coupled with collaboration with boat builders, designers, and sailors have resulted in the Lewmar HTX Hardware Range. Drawing upon the...

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Lewmar 72mm Synchro Block - Single [29927201BK]

72mm Synchro Block - SingleLewmar's Synchro Blocks are engineered for speed, efficiency, and superior handling.  Using a combination of scientifically optimized block geometry, a Free-Spin bearing, and a self-aligning head...

Vendor:

Lewmar 90mm Synchro Block - Single [29929001BK]

90mm Synchro Block - SingleLewmar's Synchro Blocks are engineered for speed, efficiency, and superior handling.  Using a combination of scientifically optimized block geometry, a Free-Spin bearing, and a self-aligning head...

Vendor:

Ronstan Kite Block - Black w/White Sheave (Pair) [RF13101-2]

Kite Block - Black w/White SheaveFeatures: Lightweight durable construction Economical Maintenance free Applications: Vang, cunningham and trapeze retriever systems on dinghies Leech line tackles, bunk adjusters etc on larger yachts...

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Ronstan Nylatron Sheave Box - Single Upright Lead Block [RF453]

Nylatron Sheave Box - Single Upright Lead BlockLead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.When mounted in an...

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Ronstan Series 15 Ball Bearing Utility Block - Double, Loop Head [RF15202]

Series 15 Ball Bearing Utility Block - Double, Loop HeadFeatures: Smallest and lightest ball bearing block available Precision molded acetal sheave running on stainless steel ball bearings provide high performance...

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Ronstan Series 15 Ball Bearing Utility Block - Exit Block [RF15711]

Series 15 Ball Bearing Utility Block - Exit BlockFeatures: Smallest and lightest ball bearing block available Precision molded acetal sheave running on stainless steel ball bearings provide high performance &...

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Ronstan Series 15 Ball Bearing Utility Block - Pivoting Lead Block [RF15174]

Series 15 Ball Bearing Utility Block - Pivoting Lead BlockFeatures: Smallest and lightest ball bearing block available Precision molded acetal sheave running on stainless steel ball bearings provide high performance...

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Ronstan Series 15 Ball Bearing Utility Block - Single Block, Loop Head [RF15101]

Series 15 Ball Bearing Utility Block - Single Block, Loop HeadFeatures: Smallest and lightest ball bearing block available Precision molded acetal sheave running on stainless steel ball bearings provide high...

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Ronstan Series 20 Ball Bearing Block - Double - 2-Axis Shackle Head [RF20202]

Series 20 Ball Bearing Block - Double - 2-Axis Shackle HeadFeatures: Low friction High static and dynamic load capacity Lightweight Precision molded Acetal sheaves running on stainless steel or Torlon®...

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Ronstan Series 20 Ball Bearing Block - Single - Cheek Rivet Mount [RF20151A]

Series 20 Ball Bearing Block - Single - Cheek Rivet MountFeatures: Low friction High static and dynamic load capacity Lightweight Suitable for screw or pop rivet mounting Precision molded Acetal...

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Ronstan Series 20 Ball Bearing Block - Single [RF20100]

Series 20 Ball Bearing Block - SingleFeatures: Low friction High static and dynamic load capacity Lightweight Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high...

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Ronstan Series 20 ball Bearing Block - Triple - 2-Axis Shackle head [RF20302]

Series 20 Ball Bearing Block - Triple - 2-Axis Shackle HeadFeatures: Low friction High static and dynamic load capacity Lightweight Precision molded Acetal sheaves running on stainless steel or Torlon®...

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Ronstan Series 20 Ball Bearing Block - Triple - Becket - 2-Axis Shackle Head [RF20312]

Series 20 Ball Bearing Block - Triple - Becket - 2-Axis Shackle HeadFeatures: Low friction High static and dynamic load capacity Lightweight Precision molded Acetal sheaves running on stainless steel...

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Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top [RF20141]

Series 20 Ball Bearing Block- Single, Stand-Up Loop TopFeatures: Low friction High static and dynamic load capacity Lightweight Precision molded Acetal sheaves running on stainless steel or Torlon® ball bearings...

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Ronstan Series 20 Ball Bearing Orbit Block - Single - Dyneema Lashing - Becket Option [RF25109]

Series 20 Ball Bearing Orbit Block - Single - Dyneema Lashing - Becket OptionThe incredible Series 20 Orbit Block™ is capable of loads up to 250kg (550lb) while weighing a...

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Ronstan Series 20 BB Block Single Becket Option Lashing High Load [RF25109HL]

Series 20 BB Block Single Becket Option Lashing High LoadFeatures: Suits up to 4mm (5/32”) lashing Supplied with 750mm (30”) x 2mm (3/32”) diameter, Dyneema® single braid lashing line

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Ronstan Series 25 Ball Bearing HHL Lashing Orbit Block [RF28109HL]

Series 25 Ball Bearing HHL Lashing Orbit Block™Single sheave ball bearing high load block with becket hub option and lashing head.The Series 25 Ball Bearing Orbit Blocks™ deliver superior strength,...

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Ronstan Series 25 Ball Bearing Orbit Block - Becket Swivel Shackle [RF28100]

Series 25 Ball Bearing Orbit Block™ - Becket & Swivel ShackleSingle sheave ball bearing block with becket hub and swivel shackle head. Series 25 Ball Bearing Orbit Blocks™, delivering superior strength,...

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Ronstan Series 25 Ball Bearing Orbit Block - Lashing [RF28109]

Series 25 Ball Bearing Orbit Block™ - LashingSingle sheave ball bearing block with becket and lashing head.The Series 25 Ball Bearing Orbit Blocks™ deliver superior strength, reduced weight, and exceptional...

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Ronstan Series 25 Utility Block - Single - Swivel Shackle Head [RF573]

Series 25 Utility Block™ - Single - Swivel Shackle HeadStainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in the block heads...