Blocks

  1. Harken Carbo Air Block Ratchet Block - 57 mm (2 1/4") - 2139

    $279.72
    0
  2. Barton Screw to Deck Bullseye - 60423

    $30.99
  3. Barton Stainless Steel Stand Up Spring

    $6.53 - $17.17
  4. Barton Through-Deck Bullseye

    $27.48 - $39.73
  5. Tylaska FR4 Low Friction Ring with Dyneema Loop

    $53.92 - $59.37
  6. Ronstan Series 20 Ball Bearing Single Cheek Block - RF20151A

    $32.21
  7. Ronstan Series 40 Ball Bearing Upright Lead Single Block - RF40171

    $79.26
  8. Ronstan Series 40 Ball Bearing Single Orbit Block with Becket & Cleat - RF45130

    $140.46
  9. Ronstan Series 50 All Purpose Single Stand Up Block - RF51140

    $72.18
  10. Ronstan Swivel Dead Eye & Cleat Fairlead - 1/8" - 1/2" (3 - 12 mm) - RF58

    $119.53
  11. Ronstan Split Cotter Ring

    $2.48 - $4.40
    1
  12. Ronstan Series 25 Ball Bearing Orbit Block with Becket and Swivel Shackle - RF28100

    $27.23
  13. Antal OPF Swivel Block

    $123.80 - $204.10
    0
  14. Barton Ratchet Block - 55 mm (2 5/32") - 90500

    $165.77
    0
  15. Barton Size 7 Plain Sheave Single Toggle Head Bearing Block - N07090

    $64.71
    0
  16. Schaefer 2-Series Fixed Fairlead/Ball Bearing Block - 200-31

    $59.80
    0
  17. 24% off

    Tylaska 2-Piece Adjustable Thickness Rope Bushing with Nut

    $70.59 - $80.98
    $60.89 - $78.37
    0
  18. 24% off

    Tylaska RB12 Rope Bushing with Nut

    $73.19 - $83.58
    $60.89 - $78.37
    0
  19. 24% off

    Tylaska RB16 Rope Bushing with Nut

    $79.67 - $90.05
    $59.90 - $87.45
    0
  20. Tylaska Single Piece Rope Bushing

    $38.15 - $44.65
    0
  21. Spinlock T38 Replacement Sheave

    $18.87 - $46.75
    0
  22. Wichard Deck Fairlead/Pad Eye - 21020

    $61.28
    0
  23. Barton Size 2 Curved Backing Plate for Cheek Block - N02161

    $10.60
  24. Barton Size 4/5 Single Block

    $39.06 - $186.83
  25. Barton Double Tang Single Block

    $19.06 - $51.82
  26. Barton Size 3 Fiddle Block

    $53.33 - $122.01
  27. Barton Size 7 Fiddle Block

    $110.71 - $242.81
  28. Barton Spinnaker Single Lead

    $33.01 - $36.99
  29. Barton Ball Bearing Back to Back Single Block

    $39.58 - $44.32
  30. Harken Double Stanchion Mount Lead Block - 40 mm (1 9/16") - 7405

    $126.02
    0
  31. Harken Narrow Fly Soft Attach Block - 18 mm (23/32") - 2161

    $38.65
    0
  32. Harken In-Line Exit Block - 16 mm (5/8") - 368

    $95.00
    0
  33. Harken Micro Anti-Capsize Block - 22 mm (7/8") - 443

    $34.37
    0
  34. Harken Narrow Ferrule Head Block - 16 mm (5/8") - 467

    $28.73
    0
  35. Harken Double Block - 16 mm (5/8") - 406

    $52.70
    0
  36. Harken Double Block with Becket - 16 mm (5/8") - 407

    $56.93
    0
  37. Harken Single Block with Swivel - 16 mm (5/8") - 417

    $45.65
    0
  38. Harken Stand-Up Boot

    $22.71 - $24.50
    0
  39. Harken Micro Flairlead

    $11.81
    0
  40. Lewmar Double with Becket Racing Block - 80 mm (3 1/8") - 29901815

    $485.62
  41. Lewmar Control Spring Block Upstand Kit - 30 - 40 mm (1 3/16" - 1 9/16") - 29904046

    $23.38
  42. Lewmar Upstand Kit

    $48.52 - $54.16
  43. Barton Ball Bearing Stand-Up Single Block

    $30.36 - $233.40
  44. Barton Ball Bearing Cheek Block

    $20.72 - $62.88
    1
  45. Barton Ball Bearing Upright Double Block

    $54.05 - $106.09
  46. Barton Ball Bearing Stanchion Lead Single Block

    $48.85 - $129.94
  47. Barton Size 1 Stainless Steel Single Block

    $16.11 - $28.95
  48. Barton Size 3 Wooden Single Block

    $222.80 - $268.29

About Blocks

Marine Blocks: Buyer’s Guide

Introduction

For avid sailors and boating enthusiasts, selecting the right marine blocks is crucial for a seamless and safe sailing experience. Marine blocks play an essential role in the efficient and effective operation of a boat's rigging system. This guide is designed to help you understand the nuances of marine blocks and make an informed decision when purchasing them.

Section 1: What Are Marine Blocks?

Marine blocks are pulleys used in the rigging of boats and ships. They facilitate the changing of direction and point of application of a force applied to a rope. In simpler terms, they are used to lift heavy loads, adjust sails, and aid in maneuvering the boat.

Types of Marine Blocks

  • Single Blocks: Used for basic applications, these have one wheel and one sheave.
  • Double Blocks: With two sheaves, they offer more mechanical advantage.
  • Swivel Blocks: These can rotate to prevent rope twisting.
  • Fiddle Blocks: Combine different sizes of sheaves in one block for versatile applications.

Section 2: Factors to Consider When Buying Marine Blocks

Material and Durability

Marine blocks are typically made from stainless steel or composite materials. The choice depends on the sailing conditions and the required strength-to-weight ratio.

Load Capacity and Size

Consider the maximum load the block will handle and ensure it matches your requirements. The size of the block should correspond with the thickness and strength of the ropes used.

Ease of Use and Maintenance

Look for blocks that are easy to install and maintain. Blocks with ball bearings offer smoother operation but may require more maintenance than plain bearing blocks.

Compatibility

Ensure the blocks are compatible with your boat’s rigging system and the type of sailing you do.

Section 3: Top Brands and Their Offerings

Harken Blocks

Known for high-quality, durable marine blocks. They offer a wide range of blocks for various sailing needs.

Lewmar Blocks

Offers a variety of blocks that balance performance and price, suitable for both casual and competitive sailors.

Ronstan Blocks

Famous for innovative designs, Ronstan’s blocks are popular among those looking for high-performance gear.

Section 4: Maintenance and Care for Marine Blocks

Regular maintenance includes cleaning, inspecting for wear and tear, and lubrication. Always follow the manufacturer’s guidelines for care and maintenance to ensure longevity and optimal performance.

Conclusion

Choosing the right marine block involves understanding your sailing needs, the types of blocks available, and the best brands in the market. With this guide, you are now equipped to make an informed decision that enhances your boating experience.

FAQs

Q: Can I use any block for any type of sailing?
A: No, it's important to choose a block based on the specific needs of your sailing activity.

Q: How often should I replace my marine blocks?
A: It depends on the usage and maintenance. Regular inspection will help you determine when a replacement is needed.