Welcome to Defender Canada! 
Upright & Lead Blocks
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Barton Size 4/5 Single Upright Plain Sheave Bearing Block with Fairlead - N04151
$68.74 -
Harken Carbo Lead Block - 29 mm (1 1/8") - 395
$109.10 -
Harken Upright Lead Bullet Block - 29 mm (1 1/8") - 096
$42.83 -
Harken Big Bullet Upright Block - 38 mm (1 1/2") - 223
$126.02 -
Ronstan Swivel Dead Eye & Cleat Fairlead - 1/8" - 1/2" (3 - 12 mm) - RF58
$119.53 -
Schaefer 2-Series Fixed Fairlead/Ball Bearing Block - 200-31
$66.85 -
Barton Spinnaker Single Lead
$33.01 - $36.99 -
Ronstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20171
$33.87 -
Schaefer Clear Step Furling Lead Block Kit - 300-76
$661.87 -
Ronstan Plastic Fairlead with Stainless Steel Liner - 11/32" (8.5 mm) - PNP121
$17.62 -
Barton Size 1 Lead Block - N01190
$14.78 -
Barton Size 1 Ball Bearing Lead Block - N11190
$18.42 -
Barton Size 2 Ball Bearing Stanchion Double Block - N12290
$74.40 -
Barton Ball Bearing Spinnaker Single Lead
$36.58 - $38.29 -
Harken Aluminum Mastbase Block - 57 mm (2 1/4") - 1988
$334.70 -
Harken Ratchamatic Small Boat Flip Flop Block - 57 mm (2 1/4") - 2144
$355.85 -
Harken Flip-Flop Block - 16 mm (5/8") - 437
$65.39 -
Lewmar Control Vertical Lead Block - 30 mm (1 3/16") - 29901363BK
$38.65 -
14% offLewmar Control Vertical Lead Block - 40 mm (1 9/16") - 29901463BK
$52.75$44.93 -
Barton Ball Bearing Upright Single Block
$39.19 - $73.72 -
Ronstan Stanchion Block - 20 mm (3/4") - RF3
$94.91 -
Ronstan Series 30 Upright Lead Block - 30 mm (1 3/16") - RF30171
$45.53 -
Ronstan Series 55 Orbit Block - 55 mm (2 5/32") - RF55171
$91.20 -
Schaefer Clamp-On Furling Lead Block Kit - 300-75
$642.13 -
Schaefer Clamp-On Lead 3-Block Kit with 50'-5/16" Line - 1100-19
$488.46 -
24% offSchaefer Clamp-On Lead 5-Block Kit with 90'-3/8" Line - 3100-19
$770.49$578.03 -
Schaefer Hinged Half-Moon Mast Base Block - 32-17
$692.89 -
Harken Upright Lead Block - 57 mm (2 1/4") - 206
$123.20 -
Ronstan Upright Lead Block with Nylatron Sheave - 7/8" (22 mm) - RF453
$45.17
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