Welcome to Defender Canada! 
Double Blocks
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9% offLewmar Synchro Double Block - 90 mm (3 1/2") - 29929002BK
$333.80$300.48 -
Ronstan Series 20 Double Block - 20 mm (3/4") - RF20202
$44.67 -
Lewmar HTX Double Block - 60 mm (2 3/8")
$209.18 - $251.18 -
9% offLewmar Synchro Double Block - 50 mm (2")
$70.58 - $76.18$63.58 - $76.18 -
Lewmar Synchro Control Double Block - 40 mm (1 9/16")
$101.38 - $108.38 -
Barton Size 7 Double Block
$99.97 - $109.39 -
Lewmar Synchro Double Block - 72 mm (2 13/16")
$160.18 - $168.58 -
Ronstan Series 50 Block - 50 mm (2") - RF51200
$103.37 -
Lewmar Synchro Double Block - 60 mm (2 3/8")
$95.78 - $99.98 -
Ronstan Series 20 Double Block - 20 mm (3/4") - RF20212
$49.39 -
Ronstan Series 30 Orbit Double Block - 30 mm (1 3/16") - RF35202
$54.11 -
Ronstan Series 30 Orbit Double Block - 30 mm (1 3/16") - RF35212
$57.26 -
Ronstan Series 50 Double Block - 50 mm (2") - RF51210
$128.07 -
Ronstan Series 55 Ball Bearing Orbit Double Block - 55 mm (2 5/32") - RF55210
$140.33 -
Barton Size 3 Double Block
$36.33 - $62.94 -
Barton Size 2 Ball Bearing Double Block
$45.29 - $64.28 -
Barton Size 3 Ball Bearing Double Block
$53.27 - $76.02 -
Barton Size 7 Ball Bearing Double Block
$137.15 - $147.26 -
9% offLewmar Synchro Control Double Block - 30 mm (1 1/4")
$63.58 - $67.78$57.28 - $67.78 -
Ronstan Series 60 Core Double Block - 60 mm (2 3/8") - RF64202
$308.81 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15202
$34.91 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15212
$38.59 -
Barton Size 1 Stainless Steel Double Block - 95120
$23.42 -
Barton Size 1 Double Block
$25.27 - $50.19 -
Barton Size 4/5 Double Block
$59.78 - $93.84 -
9% offLewmar HTX Double Block - 50 mm (2")
$127.98 - $188.18$127.98 - $169.42 -
Lewmar HTX Double Block - 72 mm (2 7/8") - 29197202
$319.78 -
Ronstan Series 75 Core Double Block - 75 mm (3") - RF74202
$344.51 -
Lewmar Racing Double Block - 60 mm (2 3/8") - 29901612BK
$405.18 -
Lewmar Racing Double Block - 80 mm (3 1/8") - 29901812BK
$420.58 -
Lewmar Double with Becket Racing Block - 80 mm (3 1/8") - 29901815
$482.18 -
Barton Size 1 Wooden Double Block
$159.95 - $204.45 -
Barton Size 2 Wooden Double Block
$210.47 - $255.36 -
Barton Size 3 Wooden Double Block
$246.27 - $320.22 -
Barton Size 0 Double Block
$27.86 - $49.02 -
Barton Size 2 Double Block
$29.49 - $57.21 -
Barton Size 6 Double Block
$84.84 - $89.62 -
Barton Size 0 Ball Bearing Double Block
$38.27 - $55.10 -
Barton Size 1 Ball Bearing Double Block
$40.33 - $60.20 -
Barton Size 4/5 Ball Bearing Double Block
$76.07 - $99.13 -
Barton Size 6 Ball Bearing Double Block
$110.79 - $115.44 -
Barton TUPHblox Size 0 Double Block
$25.32 - $49.58 -
Barton TUPHblox Size 1 Double Block
$29.98 - $43.98 -
Barton TUPHblox Size 2 Double Block
$35.58 - $56.58 -
Barton TUPHblox Size 3 Double Block
$38.38 - $60.78 -
Barton TUPHblox Size 4 Double Block
$53.78 - $85.98 -
Barton TUPHblox Size 6 Double Block
$77.58 - $118.18