Welcome to Defender Canada! 
Single Blocks
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Lewmar Single Block - 60 mm (2 3/8") - 29901665BK
$144.40 -
Harken T18 Soft Attach Block - 18 mm (23/32") - 2698
$37.19 -
59% offAllen Brothers Single Block with Ingerfield Clip - Laser Traveler - 29 mm (1 1/16") - A.178-74
$7.65$3.07 -
72% offAllen Brothers Single Block - Mid Boom - 38 mm (1 1/2") - A.278
$10.47$2.92 -
57% offAllen Brothers Plain Block - Rear Boom - 38 mm (1 1/2") - A.378
$14.68$6.24 -
Antal Looper Block - LS1070
$271.30 -
Barton Size 7 Plain Sheave Single Toggle Head Bearing Block - N07090
$64.71 -
Ronstan Series 40 Ball Bearing Single Block - RF40100
$46.37 -
Ronstan Series 30 Single Utility Block with Loop Head & Becket - RF681
$27.52 -
Wichard Single Ball Bearing Block - 55 mm (2 11/64")
$73.65 - $167.47 -
Antal OPF Swivel Block
$121.84 - $207.85 -
Barton SkyLock 400 Block with Auto Cam & Becket - N09411
$167.27 -
Barton SkyLock 800 Block with Auto Cam & Becket - N09421
$242.13 -
Barton Size 4 Wooden Single Block - 50080
$593.00 -
Barton Size 7 Single Block
$56.53 - $290.79 -
Barton Ball Bearing Stand-Up Single Block
$30.36 - $233.40 -
Barton Size 7 Single Block with Strop
$160.46 - $161.82 -
Barton Size 1 Wooden Single Block
$151.45 - $176.83 -
Barton High Load Block
$137.00 - $279.67 -
Barton Wire Sheave Block
$37.58 - $47.55 -
Barton Size 0 Ball Bearing Single Block
$17.88 - $39.44 -
Lewmar High Load Racing Block with Becket - 155 mm (6 1/10") - 29941154
$1,985.89 -
Harken Wire Bullet Block - 29 mm (1 1/8") - 098
$38.60 -
Harken Dinghy Vang Lower Unit - HSB534
$221.90 -
Harken Fly Block - 29 mm (1 1/8") - 2171
$243.05 -
Harken Forkhead Wire Block - 25 mm (1") Becket - 466
$71.03 -
Harken Aluminum Element Stand-Up Block - 45 mm (1 3/4") - 6250
$242.84 -
Harken Aluminum Element Stand-Up Block with Becket - 45 mm (1 3/4") - 6251
$258.13 -
Harken Carbo Clew Block Assembly - 29 mm (1 1/8") - 371
$52.70 -
Harken Single Fixed Head Block without Ring - 16 mm (5/8") - 404W/O
$26.73 -
Harken Single Block with Becket - 16 mm (5/8") - 405
$30.14 -
Harken Single Block with Swivel - 16 mm (5/8") - 417
$45.65 -
Harken Through-Deck Block - 16 mm (5/8") - 421
$71.03 -
Harken Black Magic Aluminum Loop Block - 45 mm (1 3/4") - 3389
$293.81 -
Lewmar HTX Block - 60 mm (2 3/8") - 27196001
$496.90 -
Lewmar HTX Upstand Block - 50 mm (2") - 29195011
$190.93 -
Lewmar HTX Web Block - 50 mm (2") - 29195047
$102.10 -
Lewmar HTX Upstand Block - 60 mm (2 3/8") - 29196011
$203.62 -
Lewmar HTX Web Block - 72 mm (2 13/16") - 29197247
$186.70 -
Lewmar Control Single Web Block - 30 mm (1 3/16") - 29901447BK
$41.47 -
Lewmar Racing Block Single - 60 mm (2 3/8") - 29901611BK
$227.59 -
Lewmar Web Block - 60 mm (2 3/8") - 29901647
$347.44 -
Lewmar Control Block - 60 mm (2 3/8") - 29901651BK
$76.72 -
Lewmar Control Block with Ratchet and Cleat - 60 mm (2 3/8") - 29901667BK
$269.89 -
Lewmar Racing Single Block - 80 mm (3 1/8") - 29901811BK
$251.56 -
Lewmar Racing Single Block with Ratchet - 80 mm (3 1/8") - 29901821BK
$305.14 -
Lewmar Racing Ratchet Block with Swivel, Becket and Cam Cleat - 80 mm (3 1/8") - 29901829
$539.20 -
Lewmar Synchro Block - 105 mm (4 1/8") - 29921051BK
$893.13