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Sailboat Blocks

      Sailboat Blocks Product Listings

      • Ronstan Series 29 Block - Single - Loop Top
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        $14.57
        $12.38

        Series 30 Block - Single - Loop TopFeatures:Maintenance freeEconomicalLightweight durable constructionStainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenanceHollow rivets in the block heads can be fitted with...

      • Ronstan Series 40 All Purpose Block - Double Block - Full Swivel Head
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        $65.18
        $55.40

        Series 40 All Purpose Block - Double Block - Full Swivel HeadAll 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...

      • Harken 40mm Carbo Air Fiddle Block w\/Swivel
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        $59.75
        $52.95

        40mm Carbo Air Fiddle Block with SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken® Black Magic® line, these small, compact blocks have very high working loads for safe,...

      • Harken 40mm Carbo Air Fiddle Block w\/Swivel  Becket
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        $66.90
        $58.95

        40mm Carbo Air Fiddle Block with Swivel & BecketLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken® Black Magic® line, these small, compact blocks have very high working...

      • Ronstan Series 40 Ball Bearing Block - Fiddle - Becket - Cleat
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        $120.44
        $102.37

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

      • Ronstan Series 20 Ball Bearing Block - Single - Cheek Rivet Mount
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        $26.91
        $22.87

        Series 20 Ball Bearing Block - Single - Cheek Rivet MountFeatures:Low frictionHigh static and dynamic load capacityLightweightSuitable for screw or pop rivet mountingPrecision molded Acetal sheaves running on stainless steel or Torlon® ball bearings...

      • Harken 40mm\/29mm Carbo Traveler Block
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        $56.70
        $49.95

        40mm/29mm Carbo Traveler BlockLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming...

      • CLEARANCE
        Lewmar 50mm Synchro Block
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        $35.99
        $25.99

        Lewmar 50mm Synchro Block The Lewmar Synchro block is scientifically optimized to help increase speed, efficiency, and handling. A stainless steel strap increases the blocks strength for a longer service life. The Free-Spin bearing with the...

      • Ronstan Series 40 Ball Bearing Block - Single Upright Lead
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        $66.94
        $56.90

        Series 40 Ball Bearing Block - Single Upright LeadLead blocks are a low profile solution for leading halyards or other rig sail controls back to cleats or jammers. Precision molded Acetal sheaves running on Acetal or Torlon® ball bearings provide...

      • Ronstan Series 50 All Purpose Block - Triple
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        $131.27
        $111.58

        Series 50 All Purpose Block - TripleFeatures:Exceptionally high working loadsLow maintenance, long service lifeSelf-lubricating Acetal polymer sheave ensures low friction and extreme durabilitySlotted pin shackle eliminates fouled linesLockable...

      • Harken 40mm Carbo Air Block w\/Cam Cleat
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        $142.30
        $124.95

        40mm Carbo Air Block with Cam CleatLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy...

      • Harken 40mm Carbo Air Block w\/Swivel
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        $43.65
        $38.95

        40mm Carbo Air Block with SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy...

      • Harken 57mm Carbo Air Block w\/Swivel
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        $63.45
        $55.95

        57mm Carbo Air Block with SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy...

      • Lewmar 60mm Synchro Block
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        $49.99
        $35.99

        Lewmar 60mm Synchro Block The Lewmar Synchro block is scientifically optimized to help increase speed, efficiency, and handling. A stainless steel strap increases the blocks strength for a longer service life. The Free-Spin bearing with the...

      • Ronstan Series 25 Utility Block - Single - Swivel Shackle Head
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        $25.52
        $21.69

        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 can be fitted with shackles, which can also be used to add a...

      • Ronstan Series 30 Ball Bearing Block - Single - Loop Top
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        $25.91
        $22.02

        Series 30 Ball Bearing Block - Single - Loop TopFeatures:Low friction 2-stage ball bearing system provides consistent performance over the full working load rangeHigh static and dynamic load capacityLight weightVersatile head fittingsSheaves running on...

      • Ronstan Series 30 Ball Bearing Orbit Block - Stand Up Swivel
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        $36.82
        $31.30

        Series 30 Ball Bearing Orbit Block™ - Stand Up SwivelBall Bearing Orbit Blocks™ boast the highest strength-to-weight ratio available. This is achieved through all-composite reinforced polymer materials and multiple attachment options. Their...

      • Ronstan Series 30 High Load Exit Box f\/Single Rope or Wire
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        $38.24
        $32.50

        Series 30 High Load Exit Box for Single Rope or WirePlain bearing sheaves are ideal for halyards and other applications where high static loads are likely to be encounteredApplications:Ideal applications where lines (rope or wire) need to be led through...

      • Barton Marine Size 2 Single Upright Block
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        $30.66
        $27.59

        Size 2 Single Upright BlockPlain Bearing BlocksBarton plain bearing blocks have a precision molded acetal sheave running on a large diameter brass bearing, ensuring free running under the highest of loads.SpecificationsSheave size: 35mm x 12mmMax rope...

      • Harken 57mm Carbo Quad Block - Swivel
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        $242.85
        $213.95

        57mm Carbo Quad Block - SwivelLow-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming...

      Sailboat Blocks

      Sailors know that the hardware pulleys used to direct guide lines are called 'sailboat blocks’. These pulleys are useful machines with parts like strops, cheeks, straps, shelves, and bushings that make lighter work of hoisting and lowering sails. Problem is, the friction created when in use wears down these components quickly. The good news for sailors is that Wholesale Marine carries an extensive line of replacement sailboat blocks from leading marine manufacturers like Barton Marine and Ronstan. And you thought we only catered to gas-powered craft!

      Whether you are rapidly easing a sheet or gybing asymmetric spinnakers, Ronstan’s 55-Rachet Mount Orbit Block offers the strength and ease of use either task requires. It provides up to 20:1 holding power along with high-performance cleating. When you’re looking for a reverse shackle block, Barton Marine’s 05420 Size 5 Fiddle offers great flexibility and is available in cam, cleat, fiddle, and fiddle and cam versions as well.

      Small Craft Advisory: Wholesale Marine Has Everything You Need!

      Just need a simple single cheek block? Try Barton Marine’s 04160. It’s great for mainsheets, lead blocks, vang tackles and fills the need for a compact purchase tackle. For smaller craft, Barton does not cut corners on quality. Barton’s Small Snatch Block w/Stainless Snap Shackle is well-made and built to last. BTW: We recommend attaching a bungee line to the becket to avoid snagging. Remember, Wholesale Marine has the selection of sailboat blocks every boater needs! 

      Remember, sailor or boating enthusiast, whatever your recreational boating life requires, Wholesale Marine carries it. For the same day, flat rate shipping, easy returns, and dependable customer service and advice. You can order your replacement sailboat blocks or any other recreational boat items with confidence from Wholesale Marine. We’re here for you Monday through Friday from 8:30 AM until 4:30 PM EST at (877) 388-2628. Ask about our Captain’s Club Rewards Program for additional discounts the next time you shop at Wholesale Marine!