Welcome to Defender Canada! 
Single Blocks
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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 -
Barton Size 7 Plain Sheave Single Toggle Head Bearing Block - N07090
$64.71 -
Lewmar Synchro Control Stand-Up Block - 30 mm (1 3/16") - 29901320BK
$31.60 -
Lewmar SC Single Ratchet Block - 60 mm (2 3/8") - 29901661BK
$131.71 -
Lewmar Single Block - 60 mm (2 3/8") - 29901665BK
$144.40 -
Harken Big Bullet Block - 38 mm (1 1/2") - 126
$58.34 -
Harken Midrange Block - 76 mm (3") - 1541
$227.54 -
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 9% offAntal OPF Swivel Block
$109.72 - $187.13 -
19% offRonstan Series 50 Block - 50 mm (2") - RF51110
$61.78 -
19% offRonstan Series 50 Block - 50 mm (2") - RF51111
$57.65 -
19% offRonstan Series 55 Ratchet Orbit Block - 55 mm (2 5/32") - RF56110
$101.82 -
19% offRonstan Series 55 Ratchet Orbit Block - 55 mm (2 5/32") - RF56130
$196.57 -
19% offRonstan Series 60 Core Block - 60 mm (2 3/8") - RF64130
$281.48 -
19% offRonstan Series 60 Core Block - 60 mm (2 3/8") - RF64100AW
$190.86 -
19% offRonstan Series 60 Core Block - 60 mm (2 3/8") - RF64108AW
$213.72 -
19% offRonstan Series 60 Core Halyard Block - 60 mm (2 3/8") - RF64108
$121.41 -
19% offRonstan Series 60 Core Mast Base Block - 60 mm (2 3/8") - RF64108A
$100.27 -
19% offRonstan Series 60 Core Stand-Up Block - 60 mm (2 3/8") - RF64140
$221.08 -
19% offRonstan Series 75 Core Block - 75 mm (3") - RF74100AW
$281.48 -
19% offRonstan Series 75 Core Block - 75 mm (3") - RF74110
$211.00 -
19% offRonstan Series 75 Core Halyard Block - 75 mm (3") - RF74108
$140.54 -
19% offRonstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15180
$30.56 -
24% offSchaefer 3 Series Block - 300-02
$77.78 -
9% offSchaefer 3 Series Block - 303-03
$108.45 -
24% offSchaefer 3 Series Block - 303-13
$111.62 -
19% offSchaefer 3 Series Stand-Up Swivel Block - 300-62
$172.04 -
14% offSchaefer 5 Series Block - 505-15
$162.38 -
9% offSchaefer 5 Series Block - 506-15
$170.63 -
9% offSchaefer 8 Series Block - 08-15
$452.35 -
24% offSchaefer 8 Series Stand-Up Swivel Block - 08-62-UC
$484.92 -
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