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Blocks

  • Sale
    Ronstan Series 40 Ball Bearing Block - Single - Becket RF40110

    Ronstan Series 40 Ball Bearing Block - Single - Becket RF40110

    Series 40 Ball Bearing Block - Single - BecketFeatures:Low friction Acetal or Torlon® bearing systemLightweightCheek cut-outs for easy bearing maintenanceCaptive Lock™ universal headSlotted pin shackle eliminates fouled linesSnap fit removable...

    $43.09
  • Sale
    Ronstan Series 40 High Load Block - Single RF40100HL

    Ronstan Series 40 High Load Block - Single RF40100HL

    Series 40 High Load Block - SingleFeatures:Exceptionally high working loadsLightweightCheek cut-outs for easy bearing maintenanceSuitable for both rope or wireCaptive Lock™ universal headSlotted pin shackle eliminates fouled linesIdeal for high...

    $55.79
  • Sale
    Ronstan Series 40 Ball Bearing Block - Single - Loop Top RF40101

    Ronstan Series 40 Ball Bearing Block - Single - Loop Top RF40101

    Series 40 Ball Bearing Block - Single - Loop TopFeatures:Low friction Acetal or Torlon® bearing systemLightweightCheek cut-outs for easy bearing maintenanceLow friction, 2-stage ball bearing systemHigh static and dynamic load capacityLightweightCheek...

    $26.56
  • Sale
    Ronstan Series 40 All Purpose Deck Organizer - 2 Sheave RF41821

    Ronstan Series 40 All Purpose Deck Organizer - 2 Sheave RF41821

    Series 40 All Purpose Deck Organizer - 2 SheaveFeatures:Lightweight design with cheek cut outs for easy bearing maintenanceThrough hub mounting for maximum strengthAll-purpose bearing system provides maximum static load capacityMount with 4 x 6mm...

    $82.96
  • Sale
    Ronstan Series 40 All Purpose Block - Fiddle - Cleat RF41520

    Ronstan Series 40 All Purpose Block - Fiddle - Cleat RF41520

    Series 40 All Purpose Block - Fiddle - CleatFeatures:Exceptionally high working loadsLow maintenance, long service lifeSelf-lubricating sheaveCaptive Lock™ universal headSlotted pin shackle eliminates fouled linesMulti-position cleat armAll purpose...

    $109.82
  • Sale
    Ronstan Series 40 All Purpose Block - Fiddle - Becket RF41510

    Ronstan Series 40 All Purpose Block - Fiddle - Becket RF41510

    Series 40 All Purpose Block - Fiddle - BecketFeatures:Exceptionally high working loadsLow maintenance, long service lifeSelf-lubricating sheaveCaptive Lock™ universal headSlotted pin shackle eliminates fouled linesSnap fit removable becket pinSpare...

    $55.49
  • Sale
    Ronstan Series 40 All Purpose Block - Fiddle RF41500

    Ronstan Series 40 All Purpose Block - Fiddle RF41500

    Series 40 All Purpose Block - FiddleFeatures:Exceptionally high working loadsLow maintenance, long service lifeSelf-lubricating sheaveCaptive Lock™ universal headSlotted pin shackle eliminates fouled linesSpare parts - RF41500 Replacement Becket...

    $51.94
  • Sale
    Ronstan Series 60 Ultimate Ratchet - Single RF62100

    Ronstan Series 60 Ultimate Ratchet - Single RF62100

    Series 60 Ultimate Ratchet - SingleThe extruded hole design, in conjunction with the groove profile of the sheave, provides a more powerful grip than conventional designs - up to 20:1 holding power. Unrivaled low weight is achieved by the use of a...

    MSRP: $193.40
    $168.17
  • Sale
    Ronstan Series 45 Core Block - Single/Swivel Haylard RF44188

    Ronstan Series 45 Core Block - Single/Swivel Haylard RF44188

    Series 45 Core Block - Single/Swivel HaylardCore Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to...

    $115.98
  • Sale
    Ronstan Series 45 Stand-Up Core Block - Swiveling RF44140

    Ronstan Series 45 Stand-Up Core Block - Swiveling RF44140

    Series 45 Stand-Up Core Block - SwivelingCore Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to...

    $130.26
  • Sale
    Ronstan Single Lead Block - 29mm (1-3/32") Sheave Diameter RF919

    Ronstan Single Lead Block - 29mm (1-3/32") Sheave Diameter RF919

    Single Lead Block - 29mm(1-3/32") Sheave DiameterLead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.Applications:Typically used in dinghy spars for control linesMaterials:U.V. stabilized...

    $20.06
  • Sale
    Ronstan Single Lead Block - 19mm (3/4") Sheave Diameter RF917

    Ronstan Single Lead Block - 19mm (3/4") Sheave Diameter RF917

    Single Lead Block - 19mm(3/4") Sheave DiameterLead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers.Applications:Typically used in dinghy spars for control linesMaterials:U.V. stabilized Acetal...

    $17.38
  • Sale
    Ronstan Series 75 Core Block™ - Single RF74100

    Ronstan Series 75 Core Block™ - Single RF74100

    Series 75 Core Block™ - SingleCore Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle...

    $150.83
  • Sale
    Ronstan Series 60 Core Block™ - Single - Becket RF64110

    Ronstan Series 60 Core Block™ - Single - Becket RF64110

    Series 60 Core Block™ - Single - BecketCore Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to...

    $150.83
  • Sale
    Ronstan Series 60 Core Block™ - Single RF64100

    Ronstan Series 60 Core Block™ - Single RF64100

    Series 60 Core Block™ - SingleCore Blocks™ are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle...

    $110.67
  • Sale
    Ronstan Series 25 Utility Block - Single - Loop Head RF571

    Ronstan Series 25 Utility Block - Single - Loop Head RF571

    Series 25 Utility Block™ - Single - Loop HeadStainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance. Hollow rivets in the block heads can be fitted with shackles, which can also be used to add a becket for...

    $13.36
  • Sale
    Ronstan Series 40 Ball Bearing Block - Single - Stand Up RF40140

    Ronstan Series 40 Ball Bearing Block - Single - Stand Up RF40140

    Series 40 Ball Bearing Block - Single - Stand UpSheaves running on Acetal or Torlon® ball bearings provide high performance & low friction. The 2-stage ball bearing system provides consistent performance over the full load range.Captive Lock™...

    $43.68
  • Sale
    Ronstan Series 40 All Purpose Block - Single - Cheek RF41151

    Ronstan Series 40 All Purpose Block - Single - Cheek RF41151

    Series 40 All Purpose Block - Single - CheekAll purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For...

    $35.41
  • Sale
    Ronstan Series 40 All Purpose Block - Single - Loop Top RF41101

    Ronstan Series 40 All Purpose Block - Single - Loop Top RF41101

    Series 40 All Purpose Block - Single - Loop TopAll purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For...

    $20.50
  • Sale
    Ronstan Series 20 Ball Bearing Block - Swivel Hook Head RF20180

    Ronstan Series 20 Ball Bearing Block - Swivel Hook Head RF20180

    Series 20 Ball Bearing Block - Swivel Hook HeadFeatures:Low frictionHigh static and dynamic load capacityLightweightLow profile swivelling hook for quick and easy attachmentHook suits rope, stainless steel and webbing fixing pointsPrecision molded Acetal...

    $25.97
  • Sale
    Ronstan Series 20 Ball Bearing Block - Single - Cheek RF20151

    Ronstan Series 20 Ball Bearing Block - Single - Cheek RF20151

    Series 20 Ball Bearing Block - Single - CheekFeatures:Low frictionHigh static and dynamic load capacityLightweightDouble through-bolt mounting for maximum load capacityPrecision molded Acetal sheaves running on stainless steel or Torlon® ball...

    $17.71