Welcome to Defender Canada! 
Double Blocks
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9% offHarken Aluminum Element Block - 60 mm (2 3/8") - 6269
$206.88$186.25 -
9% offHarken Carbo Air Block Double Block with Swivel - 40 mm (1 9/16") - 2638
$123.20$110.93 -
9% offHarken Carbo Air Block - 57 mm (2 1/4") - 2602
$168.32$151.54 -
9% offHarken Carbo Air Block Double Swivel Block - 29 mm (1 1/8") - 342
$76.67$69.05 -
9% offHarken Carbo AirBlock - 57 mm (2 1/4") - 2603
$178.19$160.42 -
9% offHarken Aluminum Element Double Block with Swivel - 80 mm (3 1/8") - 6296
$311.80$280.68 -
9% offHarken Carbo Air Block - 40 mm (1 9/16") - 2639
$133.07$119.81 -
14% offSchaefer 5 Series Double Block - 504-25
$260.02$221.11 -
9% offHarken Carbo Air Block Double Swivel Block - 75 mm (2 15/16") - 2662
$278.30$250.52 -
9% offLewmar HTX Double Block - 72 mm (2 7/8") - 29197202
$322.06$289.92 -
14% offSchaefer 5 Series Double Block - 505-25
$313.60$266.65 -
9% offHarken Aluminum Element Block - 60 mm (2 3/8") - 6270
$225.70$203.19 -
9% offHarken Carbo Air Block Double Block - 75 mm (2 15/16") - 2663
$299.45$269.56 -
9% offHarken Zircon Block
$76.67 - $183.83$69.05 - $165.50 -
9% offHarken Soft-Attach Carbo T2 Double Block - 57 mm (2 1/4") - 2153
$144.35$129.97 -
9% offHarken Double Traveler Block - 29 mm (1 1/8") - 353
$54.11$48.75 -
14% offRonstan Series 30 Orbit Double Block - 30 mm (1 3/16") - RF35212
$60.52$51.53 -
14% offRonstan Series 50 Block - 50 mm (2") - RF51200
$109.28$92.97 -
9% offHarken Bullet Block Double - 29 mm (1 1/8") - 084
$78.08$70.32 -
14% offLewmar Synchro Double Block - 50 mm (2")
$71.08 - $76.72$60.51 - $69.11 -
9% offLewmar Synchro Double Block - 72 mm (2 13/16")
$161.32 - $169.78$145.25 - $152.86 -
9% offHarken Soft-Attach Carbo T2 Double Block - 29 mm (1 1/8") - 2147
$71.03$63.98 -
9% offHarken Midrange Double Block - 76 mm (3") - 1544
$395.33$355.85 -
9% offLewmar Synchro Control Double Block - 40 mm (1 9/16")
$102.10 - $109.15$91.95 - $98.30 -
9% offLewmar Synchro Double Block - 60 mm (2 3/8")
$96.46 - $100.69$86.88 - $90.68 -
9% offHarken Micro Double Block - 22 mm (7/8") - 226
$54.11$48.75 -
9% offHarken Carbo Air Block Double Block - 29 mm (1 1/8") - 343
$82.31$74.13 -
9% offHarken Soft-Attach Carbo T2 Double Block - 40 mm (1 9/16") - 2150
$103.46$93.16 -
14% offLewmar HTX Double Block - 50 mm (2")
$128.89 - $189.52$109.65 - $170.63 -
9% offLewmar HTX Double Block - 60 mm (2 3/8")
$210.67 - $252.97$189.67 - $227.74 -
14% offRonstan Series 20 Double Block - 20 mm (3/4") - RF20202
$47.20$40.21 -
14% offSchaefer 7 Series Double Block - 704-25
$378.46$321.78 -
14% offSchaefer 7 Series Double Block - 705-25
$409.48$348.15 -
9% offHarken Soft-Attach Carbo T2 Double Block - 18 mm (23/32") - 2158
$61.16$55.09 -
9% offHarken Micro Double Block - 22 mm (7/8") - 227
$58.34$52.56 -
9% offHarken Bullet Block Double - 29 mm (1 1/8") - 085
$83.72$75.40 -
9% offHarken Big Bullet Double Block - 38 mm (1 1/2") - 127
$131.66$118.54 -
9% offHarken Big Bullet Double Block - 38 mm (1 1/2") - 128
$137.30$123.62 -
9% offHarken Carbo Air Block Double Block - 40 mm (1 9/16") - 2642
$103.46$93.16 -
9% off
Harken Aluminum Element Double Block Swivel - 45 mm (1 3/4") - 6238
$148.93$134.10 -
9% off
Harken Aluminum Element Double Block Swivel - 45 mm (1 3/4") - 6239
$166.06$149.51 -
14% offRonstan Series 40 All Purpose Double Block - RF41200
$77.18$65.68 -
14% offRonstan Series 30 Utility Double Block - RF417
$33.68$28.71 -
14% offLewmar Synchro Control Double Block - 30 mm (1 1/4")
$64.03 - $68.26$54.52 - $61.50 -
9% offHarken Double Carbo Block - 29 mm (1 1/8") - 381
$65.39$58.90 -
9% offHarken Double Block - 16 mm (5/8") - 406
$52.70$47.48 -
9% offHarken Double Block with Becket - 16 mm (5/8") - 407
$58.34$52.56 -
14% offRonstan Series 20 Double Block - 20 mm (3/4") - RF20212
$52.20$44.46