Welcome to Defender Canada! 
Upright & Lead Blocks
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Harken Carbo Outboard Lead Block Assembly - 29 mm (1 1/8") - 7403
$79.37 -
Harken Upright Lead Bullet Block - 29 mm (1 1/8") - 096
$44.33 -
Harken Carbo Lead Block - 40 mm (1 9/16") - 2157
$121.71 -
Harken Stanchion Mount Carbo Block - 40 mm (1 9/16") - 7401
$83.75 -
Harken Carbo Furling Lead Block Kit - 7404
$504.23 -
Spinlock Compact Stanchion Lead Block - WL/2
$59.86 -
9% offSchaefer 3 Series Over The Top Block
$117.38 - $334.92$105.70 - $301.49 -
14% offSchaefer 5 Series Over The Top Block
$197.68 - $323.24$168.12 - $290.98 -
9% offSchaefer 7 Series Over The Top Block
$260.46 - $349.52$234.48 - $314.63 -
9% offSchaefer 2-Series Fixed Fairlead/Ball Bearing Block - 200-31
$61.90$55.77 -
Harken Aluminum Mastbase Block - 57 mm (2 1/4") - 1988
$346.55 -
Harken Reflex Furling Lead Block Kit - 7356
$282.31 -
Harken Double Stanchion Mount Lead Block - 40 mm (1 9/16") - 7405
$130.47 -
Harken Ratchamatic Small Boat Flip Flop Block - 57 mm (2 1/4") - 2144
$368.45 -
Harken Flip-Flop Block - 16 mm (5/8") - 437
$67.69 -
Barton Size 4/5 Single Stanchion Lead Block - N05190
$74.23 -
Barton Size 4/5 Single Upright Plain Sheave Bearing Block with Fairlead - N04151
$66.27 -
19% offRonstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20171
$33.42$26.85 -
19% offRonstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20174
$56.40$45.25 -
19% offRonstan Stanchion Block - 20 mm (3/4") - RF3
$93.61$75.01 -
19% offRonstan Series 30 Upright Lead Block - 30 mm (1 3/16") - RF30171
$44.91$36.05 -
19% offRonstan Series 30 Upright Lead Block - 30 mm (1 3/16") - RF30174
$93.61$75.01 -
19% offRonstan Series 55 Orbit Block - 55 mm (2 5/32") - RF55171
$89.95$72.08 -
19% offRonstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15171
$31.77$25.54 -
19% offRonstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15174
$55.60$44.60 -
9% offRonstan Series 60 Pivoting Low-Lead Ratchet Block with Cleat - RF62175
$412.30$371.13 -
19% off
Ronstan Shock Block
$22.35 - $30.12$18.00 - $24.22 -
19% offRonstan Swivel 180 Cleat Platform - RF5
$103.77$83.13 -
14% offSchaefer 3 Series Half Moon Fixed Ball Bearing Fairlead Block - 300-31
$69.20$58.91 -
14% offSchaefer Clamp-On Furling Lead Block Kit - 300-75
$532.02$452.31 -
14% offSchaefer Clamp-On Lead 3-Block Kit with 50'-5/16" Line - 1100-19
$505.76$429.99 -
14% offSchaefer Clamp-On Lead 4-Block Kit with 70'-5/16" Line - 2100-19
$675.14$573.96 -
14% offSchaefer Clamp-On Lead 5-Block Kit with 90'-3/8" Line - 3100-19
$797.79$678.22 -
14% offSchaefer Clamp-On Pulpit Furling Lead Block - 300-35
$197.68$168.12 -
14% offSchaefer Clamp-On Pulpit Furling Lead Block - 500-35
$324.70$276.09 -
14% offSchaefer Clamp-On Stanchion Furling Lead Block - 300-34
$95.48$81.25 -
14% offSchaefer Clear Step Furling Lead Block Kit - 300-76
$624.00$530.49 -
14% offSchaefer Clear Step Outside Furling Lead Block - 506-44
$108.62$92.42 -
14% offSchaefer Clear Step Outside Furling Lead Block - 706-44
$270.68$230.17 -
14% offSchaefer Halyard Lift Turning Block - 303-50
$96.94$82.49 -
14% offSchaefer Hinged Fairlead Block - 300-32
$244.40$207.83 -
14% offSchaefer Hinged Fairlead Block - 506-32
$308.64$262.43 -
14% offSchaefer Hinged Half-Moon Mast Base Block - 32-17
$717.44$609.91 -
Barton Size 3 Stanchion Lead Single Block
$43.95 - $121.25 -
Barton Upright Single Block
$33.42 - $64.06 -
Barton Upright Double Block
$41.55 - $90.58 -
Allen Brothers Stanchion Mounted Single Furling Lead Block - 25 mm (1") - PA0450A-1
$79.42 -
Harken Micro Upright Block - 22 mm (7/8") - 243
$31.19