Welcome to Defender Canada! 
Single Blocks
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72% offAllen Brothers Single Block - Mid Boom - 38 mm (1 1/2") - A.278
$2.92 -
59% offAllen Brothers Single Block with Ingerfield Clip - Laser Traveler - 29 mm (1 1/16") - A.178-74
$3.07 -
57% offAllen Brothers Plain Block - Rear Boom - 38 mm (1 1/2") - A.378
$6.24 -
Wichard Fixed Eye Mini Block - 12 mm (15/32") - 60600W
$12.87 -
Barton Size 0 Single Block
$12.96 - $36.20 -
19% offRonstan Series 30 Loop Top Utility Block - RF280
$14.29 -
Wichard Single Plain Bearing Block - 18 mm (45/64")
$14.85 - $21.85 -
Barton TUPHblox Size 0 Single Block
$15.18 - $38.65 -
19% offRonstan Series 20 Block - 20 mm (3/4") - RF20101
$15.21 -
19% offRonstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15101
$15.39 -
Barton Size 1 Stainless Steel Single Block
$16.11 - $28.95 -
Barton Size 1 Single Block
$17.11 - $34.69 -
19% offRonstan Series 20 Ball Bearing Block - 20 mm (3/4") - RF25109
$17.66 -
9% offRonstan Series 25 Ball Bearing Orbit Block with Becket and Lashing Head - RF28109
$17.72 -
19% offRonstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15111
$17.88 -
Barton Size 0 Ball Bearing Single Block
$17.88 - $39.44 -
19% offRonstan Series 20 Block - 20 mm (3/4") - RF20111
$19.24 -
Barton Double Tang Single Block
$19.25 - $51.82 -
19% offRonstan Series 30 Orbit Block - 30 mm (1 3/16") - RF35101
$19.68 -
Barton Size 2 Single Block
$20.62 - $254.27 -
Wichard Single Plain Bearing Block - 25 mm (63/64")
$20.87 - $42.59 -
Harken Micro Block - 22 mm (7/8") - 224
$21.68 -
Wichard Stainless Steel Single Block - 18 mm (45/64") - 30018W
$21.85 -
Wichard Single Ball Bearing Block - 18 mm (45/64")
$21.85 - $30.26 -
19% offRonstan Series 30 Single Utility Block with Loop Head & Becket - RF681
$22.13 -
Barton Size 1 Plain Bearing Fixed Eye Single Pulley Block - 01110
$22.85 -
19% offRonstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15141
$23.23 -
Barton Size 3 Single Block
$23.52 - $129.60 -
19% offRonstan Series 40 All-Purpose Single Block - 40 mm (1 9/16") - RF41101
$23.72 -
19% offRonstan Series 20 Block - 20 mm (3/4") - RF20184
$23.89 -
9% offHarken Single Fixed Head Block without Ring - 16 mm (5/8") - 404W/O
$24.12 -
Barton Stand-Up Single Block
$24.19 - $251.89 -
Harken Micro Block - 22 mm (7/8") - 225
$24.50 -
19% offRonstan Series 25 Single Utility Block with Swivel Fork Shackle - RF573
$24.60 -
19% offRonstan Series 30 Ball Bearing Loop Top Single Block - RF30101
$24.97 -
Barton Size 1 Ball Bearing Single Block
$25.27 - $39.40 -
8% offRonstan Series 25 Ball Bearing Orbit Block with Becket and Swivel Shackle - RF28100
$25.64 -
19% offRonstan Series 20 Stand-Up Block - 20 mm (3/4") - RF20141
$25.89 -
Harken Carbo Air Block - 29 mm (1 1/8") - 348
$25.91 -
Harken Single Fixed Head Block - 16 mm (5/8") - 404
$25.91 -
19% offRonstan Series 20 Block - 20 mm (3/4") - RF20100
$26.19 -
19% offRonstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15100
$26.19 -
Up to 9% offLewmar Synchro Control Block - 30 mm (1 1/4")
$26.94 - $37.39 -
Barton TUPHblox Size 1 Single Block
$27.42 - $50.53 -
Barton Ball Bearing Double Tang Single Block
$27.56 - $84.80 -
19% offRonstan Series 30 Orbit Block - 30 mm (1 3/16") - RF35100
$27.73 -
Wichard Stainless Steel Single Block with Eye - 19 mm (3/4") - 30019W
$28.01 -
Wichard Stainless Steel Single Block - 24 mm (15/16")
$28.01 - $53.11