Defender US
Free Shipping on orders over $99*

Mast & Boom

50 Listed

  1. Spartite 2000 Mast Wedge

    $191.99 - $298.99
    3

  2. Harken Ballistic Nylon Deluxe Bosun Chair - 2234

    $222.99
    5

  3. SSI Universal Mast Boot

    $51.99 - $59.99
    4

  4. C.S. Johnson Rubbaweld Mast Boot Tape - 50-405

    $42.99
    2

  5. Barton 4:1 Boom Vang System - Swivel Head - 02900

    $163.65
    4

  6. ATN Bosun Chair Conversion Kit - MASTCLIMBER KIT

    $396.99
    1

  7. ATN Mastclimber Bosun Chair - MASTCLIMBER

    $574.99
    2
  8. 20% off

    Schaefer Stainless Steel Boom Bail

    $73.99 - $135.99
    $59.19 - $135.99
    3

  9. Wichard Gyb'Easy Boom Brake - 7150W

    $456.20
    0

  10. Forespar Lightning Master Static Dissipator - 151100

    $223.96
    1

  11. Mast Step Folding Mast Step

    $32.99
    7

  12. Davis Instruments Round Sail Track Stop - 2350

    $14.24
    8

  13. Barton Boomstrut

    $265.39 - $532.80
    1

  14. Tylaska Boom Kicker with Fittings

    $198.71 - $493.46
    1

  15. Whitecap Folding Step

    $42.99 - $71.99

  16. Ronstan Boom Vang - RK12-435NC

    $445.36
    1

  17. Ronstan Mast Exit Plate

    $26.61 - $33.27
    0

  18. Ronstan Boom Bail - RF1048

    $55.77
    1

  19. Schaefer Flat Exit Plate

    $30.99 - $62.99
    2

  20. Ronstan Boom Vang - RK6-420NC

    $126.74
    0

  21. Davis Instruments Sail Track Stop

    $14.24
    6

  22. WinchRite Sailology TackRite Simple Boom Brake - TR-1

    $89.00
    1

  23. Barton Mast Base Organiser

    $116.28 - $123.34

  24. Spinlock Dinghy Mast Float

    $39.00 - $59.00

  25. Plastimo First Bosun's Chair - 68796

    $123.99

  26. Barton 4:1 Boom Vang System - Snap Shackle Head - 05900

    $519.42
    0

  27. Barton Slab Reefing Kit with 2 Reefing Points - 25 mm (2") T-Track - 41483

    $117.53
    0

  28. Barton Slab Reefing Kit - 41496

    $282.14
    0

  29. Schaefer Stainless Steel Boom Bail - 90-01

    $26.99
    0

  30. Sea-Dog Folding Mast Step - 328025-1

    $27.99
    0

  31. Barton Dinghy Mast Prop - 42300

    $218.85

  32. Schaefer Hawk Slot Strip

    $3.25 - $4.66
    1

  33. Barton Laser Replica Cunningham Assembly - 98079

    $44.03

  34. Barton Single Line Reefing Kit - 41130

    $249.14
    1

  35. Schaefer Curved Exit Plate - 34-49

    $66.99
    0

  36. Schaefer Stainless Steel Boom Bail - 90-04

    $25.99
    0

  37. Barton Laser Replica 15:1 Boom Vang Assembly - 98075

    $232.56

  38. Bainbridge Plastic Mast Hoops - A029

    $2.09
    0

  39. Barton Stainless Steel Folding Mast Step - 60750

    $60.80

  40. Spinlock Mast Float Track Tag - DW-MF/TT

    $7.65

  41. Barton Laser Replica Mast Base Assembly - 98077

    $70.86

  42. Barton Laser Replica Cleat Base Assembly - 98078

    $108.98

  43. Barton Spare Slider for Slab Reefing Kit - 41484

    $41.85

  44. Barton Spare Slider for Slab Reefing Kit - 41497

    $56.14

  45. Seaview Mast Bracket - SM18RFB

    $536.00

  46. ATN Bosun Chair - BOSUNCHAIR

    $217.99

  47. Wichard Babystay Tang - 9150W

    $89.49

  48. Ronstan Mast Chock Set - PNP200

    $62.42
 
1 / 2Next

1Filters

Clear All
  1. Availability: In Stock ×
Manufacturer
Price
2.09
575.99
More Ways To Shop
Availability
Fulfillment

Change Locale

United States - English Shop in currency: USD
Canada - English Shop in currency: CAD
Canada - Français Shop in currency: CAD

Explore

Guides
Brands

Helpful Information

Track My Order
Shipping Policy
Return Policy
Outlet Store
Commercial Accounts

Get In Touch

Customer Service
1-800-435-7180
Send a Message

Resources

Gift Cards
Privacy Policy
Conditions of Use
Accessibility Statement

Stay Connected

X
Facebook
Instagram
YouTube
Toggle desktop/mobile version
2026 © Defender. All Rights Reserved.