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Sailing - Blocks

High-performance sailing blocks designed for smooth and efficient line handling. Choose from various sizes and configurations to optimize your rigging system.

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  • Barton Size 3 45mm Plain Bearing Pulley Block Stanchion Lead Block [N03190]
    Barton Marine
    Barton Size 3 45mm Plain Bearing Pulley Block Stanchion Lead Block [N03190]
    Size 3 45mm Plain Bearing Pulley Block Stanchion Lead BlockThe size 3 Barton plain bearing blocks have 45mm (1 3/4" sheave size 3 block range incorporates modern design with stainless steel frames and the latest advanced materials, using 30% fibre glass filled nylon and...
    $33.99
    $34.03
    $33.99
  • Barton Size 4 58mm Plain Bearing Pulley Cheek Block [N04160]
    Barton Marine
    Barton Size 4 58mm Plain Bearing Pulley Cheek Block [N04160]
    Size 4 58mm Plain Bearing Pulley Cheek BlockThe Size 4 Barton range of blocks has a 58mm (2 5/16″) sheave. They are of a rugged construction featuring high-grade molded side plates that are through-bolted and riveted for added strength and security. All load-bearing components...
    $35.69
    $40.89
    $35.69
  • Barton Marine Size 3 45mm Plain Bearing Pulley Block Cheek Block [N03160]
    Barton Marine
    Barton Marine Size 3 45mm Plain Bearing Pulley Block Cheek Block [N03160]
    Size 3 45mm Plain Bearing Pulley Block Cheek BlockThe size 3 Barton plain bearing blocks have a 45mm (1 3/4" sheave size 3 block range that incorporates modern design with stainless steel frames and the latest advanced materials, using 30% fiber glass-filled nylon and...
    $23.18
    $27.67
    $23.18
  • Schaefer Series 7 Stand Up Ball Bearing Swivel Block - 2-3/8" 60mm [706-62]
    Schaefer Marine
    Schaefer Series 7 Stand Up Ball Bearing Swivel Block - 2-3/8" 60mm [706-62]
    Series 7 Stand Up Ball Bearing Swivel Block - 2-3/8" 60mmSingle stand up ball bearing block. Stand up spring keeps block upright when not in use. Stainless steel base spreads load out and may be used with 97-49 backing plate. (sold separately) Delrin(tm) ball...
    $221.99
    $221.99
  • Schaefer Stand-Up Swivel w/Aluminum Cheeks [504-62]
    Schaefer Marine
    Schaefer Stand-Up Swivel w/Aluminum Cheeks [504-62]
    Stand-Up Swivel with Aluminum CheeksDelrin™ sheave ensures smooth operation and high safe working load. Specifications: Sheave Dia. 2" (51 mm) Max Line 7/16" (11 mm) Diameter includes urethane base 2-7/8" (73 mm) Height 4-1/32" (103 mm) H2 2-3/32" (54 mm) Fastener Size (4), #10 RH...
    $177.99
    $177.99
  • Lewmar 50mm Synchro Block - Single [29925001BK]
    Lewmar
    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 to reduce friction and increase efficiency by up to 40%, over budget blocks on...
    $32.99
    $32.99
  • Ronstan Series 40 Ball Bearing Block - Triple - Swivel Head [RF40300]
    Ronstan
    Ronstan Series 40 Ball Bearing Block - Triple - Swivel Head [RF40300]
    Series 40 Ball Bearing Block - Triple - Swivel HeadFeatures: Low friction Acetal or Torlon® bearing system Lightweight Cheek cut-outs for easy bearing maintenance Features a swivel shackle head for full 360° rotation Sheaves running on Acetal or Torlon® ball bearings provide high performance...
    $89.74
    $89.74
  • Harken Midrange Single Block [1540]
    Harken
    Harken Midrange Single Block [1540]
    Midrange Single BlockMidrange blocks’ robust construction makes them ideal to handle the high loads found on medium and large offshore boats. Sheave runs exclusively on a ball bearing system for fast trim and release under any load. Features:  Sheave: 76mm/3" Maximum Line: 14mm/9/16" Max...
    $143.95
    $162.95
    $143.95
  • Harken 22mm Double Micro Block [226]
    Harken
    Harken 22mm Double Micro Block [226]
    22mm Double Micro BlockLow-friction Micro blocks are compact and lightweight. Specifications: Sheave: 22mm / 7/8in. Length: 51mm / 2in. Weight: 43g / 1.5oz. Maximum line: 6mm / 1/4in. Maximum working load: 159kg / 350lb Breaking load: 544kg/ 1200 lb
    $37.95
    $42.55
    $37.95
  • Harken 40mm Double Sheave Fishing Block [2184]
    Harken
    Harken 40mm Double Sheave Fishing Block [2184]
    40mm Double Sheave Fishing BlockLow-friction Carbo Air blocks are lightweight, strong, and reliable. These compact blocks have very high working loads and smooth operation to simplify the positioning and retrieval of teaser lines. Specifications: Sheave Ø (mm): 40 mm Sheave Ø (in): 1-9/16 in...
    $60.95
    $69.00
    $60.95
  • Ronstan Series 20 Ball Bearing Block - Double - 2-Axis Shackle Head [RF20202]
    Ronstan
    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® ball bearings provide high performance & low friction Two-Way head can be fixed at...
    $33.05
    $33.05
  • Ronstan Series 40 All Purpose Block - Double Block - Full Swivel Head [RF41200]
    Ronstan
    Ronstan Series 40 All Purpose Block - Double Block - Full Swivel Head [RF41200]
    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 static loads. For durability and...
    $54.31
    $54.31
  • Ronstan Series 75 Core Block - Single [RF74100]
    Ronstan
    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 high dynamic or static loads. Acetal...
    $150.83
    $150.83
  • Harken 40mm Carbo Air Cheek Block [2644]
    Harken
    Harken 40mm Carbo Air Cheek Block [2644]
    40mm Carbo Air Cheek 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. Specifications: Sheave Ø (mm)40 mm Sheave Ø (in)1 9/16 in...
    $36.95
    $41.95
    $36.95
  • Schaefer Series 7 Flat Base/Aluminum Cheek/Delrin Sheave [704-11]
    Schaefer Marine
    Schaefer Series 7 Flat Base/Aluminum Cheek/Delrin Sheave [704-11]
    Series 7 Flat Base/Aluminum Cheek/Delrin SheaveDelrin™ sheave ensures smooth operation and high safe working load. Stainless steel base distributes loads to a large surface area. Specifications: Sheave Dia. 2-3/8" (60 mm) Max. Line 1/2" (13 mm) Length 4-3/8" (111 mm) Width  2-3/4" (70 mm) Height...
    $126.99
    $126.99
  • Barton Marine Size 2 Single Swivel Block [N02130]
    Barton Marine
    Barton Marine Size 2 Single Swivel Block [N02130]
    Size 2 Single Swivel BlockA strong, lightweight range of blocks for use on dinghies and dayboats or as lead blocks on larger craft. Size 2 - Single Swivel Block.
    $19.39
    $24.04
    $19.39
  • Barton Marine Size 2 Single Upright Block [N02150]
    Barton Marine
    Barton Marine Size 2 Single Upright Block [N02150]
    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.Specifications Sheave size: 35mm x 12mm Max rope diameter: 8mm Safe working load: 370kg...
    $24.70
    $29.50
    $24.70
  • SeaSure 8mm Snap Close Shackle - 5 Pack [04.59CRD]
    SeaSure
    SeaSure 8mm Snap Close Shackle - 5 Pack [04.59CRD]
    8mm Snap Close Shackle - 5 Pack Simply push the shackle together, but once it's snapped shut, it won't come undone again.Specifications: Material: Nylon Package Size: 5 included 
    $7.99
    $13.93
    $7.99
  • Harken 60mm Triple Aluminum Element Block w/Swivel Becket [6273]
    Harken
    Harken 60mm Triple Aluminum Element Block w/Swivel Becket [6273]
    60mm Triple Aluminum Element Block with Swivel & BecketElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven...
    $200.80
    $0.00
    $200.80
  • Harken 60mm Triple Aluminum Element Block w/Swivel [6272]
    Harken
    Harken 60mm Triple Aluminum Element Block w/Swivel [6272]
    60mm Triple Aluminum Element Block with SwivelElement blocks introduce sideplates that combine forged aluminum and compound curves for strength. They are simultaneously contemporary and very robust. Element’s design pairs the minimum amount of metal required to protect the sheave with a proven journal bearing....
    $177.85
    $0.00
    $177.85

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