Welcome to Defender Canada! 
Single Blocks
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Schaefer 3 Series Stand-Up Swivel Block - 300-62
$214.90 -
9% offSchaefer 5 Series Block - 506-05
$130.02 -
9% offSchaefer 7 Series Block - 704-05
$142.71 -
Harken Big Bullet Block - 38 mm (1 1/2") - 126
$58.34 -
Harken Midrange Block - 76 mm (3") - 1541
$227.54 -
Barton Size 7 Plain Sheave Single Toggle Head Bearing Block - N07090
$64.71 -
59% offAllen Brothers Single Block with Ingerfield Clip - Laser Traveler - 29 mm (1 1/16") - A.178-74
$3.07 -
72% offAllen Brothers Single Block - Mid Boom - 38 mm (1 1/2") - A.278
$2.92 -
57% offAllen Brothers Plain Block - Rear Boom - 38 mm (1 1/2") - A.378
$6.24 -
19% offRonstan Series 30 Ball Bearing Loop Top Single Block - RF30101
$24.97 -
19% offRonstan Series 40 Ball Bearing Single Block - RF40100
$37.22 -
19% offRonstan Series 30 Single Utility Block with Loop Head & Becket - RF681
$22.13 -
Wichard Stainless Steel Single Block - 24 mm (15/16")
$28.01 - $53.11 -
Wichard Single Ball Bearing Block - 35 mm (1 3/8")
$50.79 - $125.76 -
Wichard Single Ball Bearing Block - 55 mm (2 11/64")
$73.65 - $167.47 -
Up to 19% offAntal OPF Swivel Block
$103.66 - $166.40 -
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 -
Barton Size 7 Ball Bearing Single Block
$77.09 - $238.06 -
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 -
9% offHarken Single Fixed Head Block without Ring - 16 mm (5/8") - 404W/O
$24.12 -
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 Web Block - 60 mm (2 3/8") - 29901647
$347.44 -
Lewmar Control Block - 60 mm (2 3/8") - 29901651BK
$76.72