Welcome to Defender Canada! 
Upright & Lead Blocks
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19% offRonstan Series 30 Upright Lead Block - 30 mm (1 3/16") - RF30174
$76.05 -
19% offRonstan Swivel 180 Cleat Platform - RF5
$81.55 -
9% offSchaefer 3 Series Half Moon Fixed Ball Bearing Fairlead Block - 300-31
$66.57 -
9% offSchaefer Clamp-On Lead 4-Block Kit with 70'-5/16" Line - 2100-19
$644.00 -
Barton Size 2 Stanchion Lead Double Block
$58.94 - $62.60 -
9% offAllen Brothers Stanchion Mounted Single Furling Lead Block - 25 mm (1") - PA0450A-1
$83.07 -
Harken Big Bullet Upright Block - 38 mm (1 1/2") - 223
$127.43 -
Harken Carbo Lead Block - 29 mm (1 1/8") - 395
$111.92 -
19% offRonstan Upright Lead Block with Nylatron Sheave - 7/8" (22 mm) - RF453
$36.26 -
19% offRonstan Swivel Dead Eye & Cleat Fairlead - 1/8" - 1/2" (3 - 12 mm) - RF58
$95.75 -
19% offRonstan Series 55 Orbit Block - 55 mm (2 5/32") - RF55171
$73.09 -
24% offSchaefer Clamp-On Lead 5-Block Kit with 90'-3/8" Line - 3100-19
$578.03 -
14% offSchaefer Clear Step Furling Lead Block Kit - 300-76
$562.68 -
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 -
Barton Spinnaker Single Lead
$33.01 - $36.99 -
Barton Ball Bearing Upright Single Block
$39.19 - $73.72 -
Harken Aluminum Mastbase Block - 57 mm (2 1/4") - 1988
$341.75 -
Harken Ratchamatic Small Boat Flip Flop Block - 57 mm (2 1/4") - 2144
$362.90 -
Lewmar Control Vertical Lead Block - 30 mm (1 3/16") - 29901363BK
$38.65 -
9% offLewmar Control Vertical Lead Block - 40 mm (1 9/16") - 29901463BK
$47.54 -
Harken Upright Lead Block - 57 mm (2 1/4") - 206
$124.61 -
19% offRonstan Series 100 Single Roller Bearing Block with Upright Lead - RF108171
$605.43 -
19% offRonstan Series 60 Roller Bearing Block with Upright Lead - RF69100
$358.98 -
19% offRonstan Series 75 Single Upright Lead AP Block - RF71171
$364.03 -
Up to 9% offRonstan Series 60 AP Block
$240.43 - $294.99 -
Up to 19% offRonstan Series 60 Roller Bearing Low-Lead Block
$338.45 - $574.62 -
Up to 19% offRonstan Series 75 Roller Bearing Block
$572.69 - $748.59
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