Welcome to Defender Canada! 
Double Blocks
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Harken Double Block - 16 mm (5/8") - 406
$52.70 -
Harken Double Block with Becket - 16 mm (5/8") - 407
$56.93 -
Ronstan Series 30 Orbit Double Block - 30 mm (1 3/16") - RF35202
$57.18 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15202
$36.89 -
29% offSchaefer 7 Series Double Block - 705-35
$434.86$304.58 -
24% offAntal Looper Double Block with Becket - LS1073
$389.74$292.45 -
Lewmar Double with Becket Racing Block - 80 mm (3 1/8") - 29901815
$485.62 -
Barton Size 2 Double Block
$31.87 - $64.25 -
Barton Size 4/5 Double Block
$63.40 - $105.85 -
Barton Size 0 Ball Bearing Double Block
$39.40 - $56.72 -
Barton Size 3 Ball Bearing Double Block
$56.48 - $85.41 -
Ronstan Series 50 Double Block - 50 mm (2") - RF51210
$135.39 -
Ronstan Series 55 Ball Bearing Orbit Double Block - 55 mm (2 5/32") - RF55210
$148.37 -
Ronstan Series 75 Core Double Block - 75 mm (3") - RF74202
$364.28 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15212
$40.78 -
29% offSchaefer 3 Series Double Block - 303-23
$174.01$121.99 -
Schaefer 5 Series Double Block - 504-25
$236.05 -
34% offSchaefer 5 Series Double Block - 504-35
$245.92$160.06 -
Schaefer 5 Series Double Block - 505-25
$286.81 -
Schaefer 5 Series Double Block - 505-35
$299.50 -
14% offSchaefer 7 Series Double Block - 704-25
$344.62$293.02 -
Schaefer 7 Series Double Block - 704-35
$433.47 -
Schaefer 7 Series Double Block - 706-35
$401.02 -
Harken Carbo Air Block Double Block - 75 mm (2 15/16") - 2663
$293.81 -
Harken Midrange Double Block - 76 mm (3") - 1544
$388.28 -
Harken Midrange Double Block - 76 mm (3") - 1545
$419.31 -
Harken Aluminum Element Double Block with Swivel and Becket - 80 mm (3 1/8") - 6297
$359.53 -
Harken Carbo Air Block - 40 mm (1 9/16") - 2643
$110.51 -
Antal Looper Double Block - LS1062
$287.39 -
Antal Looper Double Block - LS1072
$390.18 -
19% offAntal Looper Double Block with Becket - LS1063
$292.45$234.08 -
Barton Size 1 Stainless Steel Double Block - 95120
$23.58 -
Lewmar Racing Double Block - 60 mm (2 3/8") - 29901612BK
$408.07 -
Lewmar Racing Double Block - 80 mm (3 1/8") - 29901812BK
$423.58 -
Barton Size 1 Wooden Double Block
$165.26 - $210.82 -
Barton Size 3 Wooden Double Block
$256.13 - $333.05 -
Barton Size 0 Double Block
$28.64 - $50.44 -
Barton Size 6 Double Block
$95.34 - $100.71 -
Barton Size 7 Double Block
$106.04 - $116.02 -
Barton Size 2 Ball Bearing Double Block
$48.00 - $73.02 -
Barton Size 4/5 Ball Bearing Double Block
$87.75 - $112.19 -
Barton Size 6 Ball Bearing Double Block
$117.53 - $122.44 -
Barton TUPHblox Size 0 Double Block
$25.50 - $49.93 -
Barton TUPHblox Size 1 Double Block
$37.19 - $65.01 -
Barton TUPHblox Size 2 Double Block
$48.51 - $74.92 -
Barton TUPHblox Size 3 Double Block
$57.73 - $87.62 -
Barton TUPHblox Size 4 Double Block
$86.59 - $129.49 -
Barton TUPHblox Size 6 Double Block
$89.84 - $139.75
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