Welcome to Defender Canada! 
Upright & Lead Blocks
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Harken Stanchion Mount Carbo Block - 40 mm (1 9/16") - 7401
$82.31 -
Barton Size 4/5 Single Stanchion Lead Block - N05190
$80.87 -
Ronstan Series 40 Ball Bearing Upright Lead Single Block - RF40171
$79.26 -
Harken Carbo Outboard Lead Block Assembly - 29 mm (1 1/8") - 7403
$78.08 -
Harken Double Upright Lead Bullet Block - 29 mm (1 1/8") - 220
$76.67 -
Barton Size 2 Ball Bearing Stanchion Double Block - N12290
$74.40 -
Schaefer 3 Series Half Moon Fixed Ball Bearing Fairlead Block - 300-31
$73.90 -
Harken Big Bullet Upright Block - 38 mm (1 1/2") - 222
$72.44 -
Barton Size 4/5 Single Upright Plain Sheave Bearing Block with Fairlead - N04151
$68.74 -
Schaefer 2-Series Fixed Fairlead/Ball Bearing Block - 200-31
$66.85 -
Harken Flip-Flop Block - 16 mm (5/8") - 437
$66.80 -
Barton Size 2 Stanchion Lead Double Block
$58.94 - $62.60 -
Spinlock Compact Stanchion Lead Block - WL/2
$57.83 -
Ronstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20174
$57.18 -
Barton Upright Wire Rope Block
$57.05 - $95.62 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15174
$56.36 -
Barton Ball Bearing Upright Double Block
$54.05 - $106.09 -
Harken Wire Upright Lead Bullet Block - 29 mm (1 1/8") - 108
$52.70 -
Barton Ball Bearing Stanchion Lead Single Block
$48.85 - $129.94 -
9% offLewmar Control Vertical Lead Block - 40 mm (1 9/16") - 29901463BK
$47.54 -
Ronstan Series 30 Upright Lead Block - 30 mm (1 3/16") - RF30171
$45.53 -
Ronstan Upright Lead Block with Nylatron Sheave - 7/8" (22 mm) - RF453
$45.17 -
Barton Size 3 Stanchion Lead Single Block
$43.79 - $125.81 -
Barton Upright Double Block
$43.12 - $90.25 -
Harken Upright Lead Bullet Block - 29 mm (1 1/8") - 096
$42.83 -
Barton Size 2 Stanchion Lead Single Block - N02190
$39.85 -
Barton Ball Bearing Upright Single Block
$39.19 - $73.72 -
Lewmar Control Vertical Lead Block - 30 mm (1 3/16") - 29901363BK
$38.65 -
Barton Ball Bearing Spinnaker Single Lead
$36.58 - $38.29 -
Barton Upright Single Block
$34.66 - $63.82 -
Ronstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20171
$33.87 -
Barton Spinnaker Single Lead
$33.01 - $36.99 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15171
$32.21 -
Harken Micro Upright Block - 22 mm (7/8") - 243
$30.14 -
Ronstan Shock Block
$24.12 - $32.53 -
Barton Size 1 Ball Bearing Lead Block - N11190
$18.42 -
Barton Size 1 Lead Block - N01190
$14.78 -
Ronstan Fairlead - 9/16" (14 mm) - RF59
$12.58
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