Welcome to Defender Canada! 
Double Blocks
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Harken Carbo Air Block - 57 mm (2 1/4") - 2602
$168.32 -
Harken Aluminum Element Block - 60 mm (2 3/8") - 6269
$206.88 -
Harken Carbo Air Block Double Block with Swivel - 40 mm (1 9/16") - 2638
$123.20 -
Harken Carbo AirBlock - 57 mm (2 1/4") - 2603
$178.19 -
Harken Soft-Attach Carbo T2 Double Block - 57 mm (2 1/4") - 2153
$144.35 -
Harken Carbo Air Block Double Swivel Block - 29 mm (1 1/8") - 342
$76.67 -
Harken Carbo Air Block - 40 mm (1 9/16") - 2639
$133.07 -
Harken Aluminum Element Double Block with Swivel - 80 mm (3 1/8") - 6296
$311.80 -
Harken Carbo Air Block Double Swivel Block - 75 mm (2 15/16") - 2662
$278.30 -
Harken Zircon Block
$76.67 - $183.83 -
Harken Aluminum Element Block - 60 mm (2 3/8") - 6270
$225.70 -
Harken Carbo Air Block Double Block - 75 mm (2 15/16") - 2663
$299.45 -
Harken Bullet Block Double - 29 mm (1 1/8") - 084
$78.08 -
Harken Double Traveler Block - 29 mm (1 1/8") - 353
$54.11 -
Harken Micro Double Block - 22 mm (7/8") - 226
$54.11 -
Harken Soft-Attach Carbo T2 Double Block - 29 mm (1 1/8") - 2147
$71.03 -
Harken Carbo Air Block Double Block - 29 mm (1 1/8") - 343
$82.31 -
Harken Soft-Attach Carbo T2 Double Block - 40 mm (1 9/16") - 2150
$103.46 -
Harken Aluminum Element Double Block Swivel - 45 mm (1 3/4") - 6239
$166.06 -
Harken Midrange Double Block - 76 mm (3") - 1544
$395.33 -
Harken Double Carbo Block - 29 mm (1 1/8") - 381
$65.39 -
Harken Double Block with Becket - 16 mm (5/8") - 407
$58.34 -
Harken Soft-Attach Carbo T2 Double Block - 18 mm (23/32") - 2158
$61.16 -
Harken Micro Double Block - 22 mm (7/8") - 227
$58.34 -
Harken Bullet Block Double - 29 mm (1 1/8") - 085
$83.72 -
Harken Big Bullet Double Block - 38 mm (1 1/2") - 127
$131.66 -
Harken Big Bullet Double Block - 38 mm (1 1/2") - 128
$137.30 -
Harken Carbo Air Block Double Block - 40 mm (1 9/16") - 2642
$103.46 -
Harken Aluminum Element Double Block Swivel - 45 mm (1 3/4") - 6238
$148.93 -
Harken Double Block - 16 mm (5/8") - 406
$52.70 -
Harken Black Magic Aluminum Swivel Double Block - 45 mm (1 3/4")
$564.53 - $642.08 -
Harken Carbo Air Block - 40 mm (1 9/16") - 2643
$111.92 -
Harken Midrange Double Block - 76 mm (3") - 1545
$427.77 -
Harken Aluminum Element Double Block with Swivel and Becket - 80 mm (3 1/8") - 6297
$366.72 -
Wichard Fixed Eye Double Plain Bearing Block - 25 mm (63/64") - 61213W
$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 Stainless Steel Double Block - 24 mm (15/16")
$46.55 - $63.37 -
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