Welcome to Defender Canada! 
Double Blocks
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Barton Size 6 Double Swivel Block
$152.51 - $165.78 -
Ronstan Series 75 Industrial Double Block
$236.79 - $294.54 -
Ronstan Series 75 Orbit Double Block - RF79200
$1,141.71 -
Ronstan Series 75 Double Strop Orbit Block - RF79209
$923.50 -
Ronstan Series 100 Double Core Block - RF104200
$1,013.38 -
Ronstan Series 100 Double Orbit Block - RF109200
$1,629.51 -
Ronstan Series 100 Double Strop Orbit Block - RF109209
$1,282.91 -
Ronstan Series 60 Double Orbit Block - RF69200
$810.15 -
Ronstan Series 60 Double Strop Orbit Block - RF69209
$756.64 -
Wichard Double Ball Bearing Block - 55 mm (2 11/64")
$188.00 - $209.05 -
Wichard Double Plain Bearing Block - 35 mm (1 3/8")
$76.15 - $84.30 -
Wichard Double Plain Bearing Block - 45 mm (1 49/64")
$84.30 - $94.81 -
Wichard Double Plain Bearing Block - 55 mm (2 11/64")
$125.76 - $155.85 -
Wichard Double Plain Bearing Block - 70 mm (2 3/4")
$209.05 - $258.47 -
Wichard Fixed Eye Double Plain Bearing Block - 18 mm (45/64")
$42.59 - $53.11 -
Wichard Stainless Steel Double Block - 24 mm (15/16")
$46.55 - $63.37 -
Wichard Double Ball Bearing Block with Swivel Head - 45 mm (1 49/64") - 73205W
$125.76 -
Wichard Triple Ball Bearing Block with Swivel Head, Becket & Cam - 45 mm (1 49/64") - 73308W
$354.30 -
Wichard Fixed Eye Double Plain Bearing Block - 25 mm (63/64") - 61213W
$63.37 -
Ronstan Series 40 Ball Bearing Double Orbit Block - RF48210
$138.96 -
Ronstan Series 40 All Purpose Double Block - RF41200
$77.18 -
Ronstan Series 30 Utility Double Block - RF417
$33.68 -
Ronstan Series 40 Ball Bearing Double Block - RF40200
$103.81 -
Barton TUPHblox Size 1 Double Block
$48.52 - $66.85 -
Barton TUPHblox Size 2 Double Block
$49.93 - $74.92 -
Barton TUPHblox Size 3 Double Block
$61.21 - $87.62 -
Barton TUPHblox Size 4 Double Block
$89.41 - $145.81 -
Barton TUPHblox Size 6 Double Block
$89.84 - $144.40 -
Barton Size 4/5 Ball Bearing Double Block
$87.75 - $112.19 -
Barton Size 6 Ball Bearing Double Block
$117.53 - $122.44 -
Barton Size 7 Ball Bearing Double Block
$145.49 - $156.22 -
Barton Size 2 Ball Bearing Double Block
$48.00 - $73.02 -
Barton Size 3 Ball Bearing Double Block
$56.48 - $85.41 -
Barton Size 1 Ball Bearing Double Block
$42.77 - $68.36 -
Barton Size 0 Ball Bearing Double Block
$39.40 - $56.72 -
Barton Size 6 Double Cruiser Block
$95.34 - $100.71 -
Barton Size 7 Double Block
$106.04 - $116.02 -
Barton Size 2 Double Block
$31.87 - $64.25 -
Barton Size 3 Double Block
$39.25 - $72.75 -
Barton Size 4/5 Double Block
$63.40 - $105.85 -
Barton Size 1 Double Block
$28.35 - $59.17 -
Barton Size 0 Double Block
$28.78 - $50.44 -
Barton Size 2 Wooden Double Block
$218.91 - $265.58 -
Barton Size 3 Wooden Double Block
$256.13 - $333.05 -
Barton Size 1 Wooden Double Block
$181.06 - $223.36 -
Lewmar Racing Double Block - 80 mm (3 1/8") - 29901812BK
$423.58 -
Lewmar Double with Becket Racing Block - 80 mm (3 1/8") - 29901815
$485.62 -
Lewmar Racing Double Block - 60 mm (2 3/8") - 29901612BK
$408.07