Welcome to Defender Canada! 
Upright & Lead Blocks
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9% offSchaefer Clamp-On Lead 5-Block Kit with 90'-3/8" Line - 3100-19
$737.73$664.02 -
Schaefer Hinged Half-Moon Mast Base Block - 32-17
$663.43 -
Schaefer Clamp-On Lead 4-Block Kit with 70'-5/16" Line - 2100-19
$624.32 -
Schaefer Clear Step Furling Lead Block Kit - 300-76
$577.03 -
Schaefer Clamp-On Furling Lead Block Kit - 300-75
$560.83 -
Schaefer Clamp-On Lead 3-Block Kit with 50'-5/16" Line - 1100-19
$467.70 -
9% offHarken Carbo Furling Lead Block Kit - 7404
$466.28$419.72 -
Ronstan Series 60 Pivoting Low-Lead Ratchet Block with Cleat - RF62175
$400.18 -
9% offHarken Ratchamatic Small Boat Flip Flop Block - 57 mm (2 1/4") - 2144
$340.73$306.72 -
Schaefer Clamp-On Pulpit Furling Lead Block - 500-35
$300.28 -
9% offHarken Over The Top Single Block - 57 mm (2 1/4") - 3002
$320.48$288.50 -
9% offHarken Aluminum Mastbase Block - 57 mm (2 1/4") - 1988
$320.48$288.50 -
Schaefer Hinged Fairlead Block - 506-32
$285.43 -
Schaefer Clear Step Outside Furling Lead Block - 706-44
$250.33 -
24% offSchaefer 7 Series Over The Top Block
$240.88 - $323.23$240.88 - $242.57 -
9% offHarken Reflex Furling Lead Block Kit - 7356
$261.08$235.04 -
Schaefer Hinged Fairlead Block - 300-32
$226.03 -
Schaefer 5 Series Over The Top Block
$182.83 - $298.93 -
Schaefer Clamp-On Pulpit Furling Lead Block - 300-35
$182.83 -
9% offHarken Halyard Restrainer - 31 mm (1 1/4") - 945
$149.03$134.19 -
9% offHarken Carbo Ratchet Block - 57 mm (2 1/4") - 7402
$143.63$129.33 -
9% offHarken Big Bullet Upright Block - 38 mm (1 1/2") - 223
$120.68$108.68 -
9% offHarken Double Stanchion Mount Lead Block - 40 mm (1 9/16") - 7405
$120.68$108.68 -
Schaefer 3 Series Over The Top Block
$108.58 - $309.73 -
9% offHarken Carbo Lead Block - 40 mm (1 9/16") - 2156
$119.33$107.46 -
9% offHarken Upright Lead Block - 57 mm (2 1/4") - 206
$117.98$106.25 -
9% off
Harken Halyard Restrainer - 25 mm (15/16") - 944
$115.28$103.82 -
Ronstan Swivel 180 Cleat Platform - RF5
$103.77 -
9% off
Harken Carbo Lead Block - 40 mm (1 9/16") - 2157
$112.58$101.39 -
Schaefer Clear Step Outside Furling Lead Block - 506-44
$100.48 -
9% offHarken Carbo Lead Block - 29 mm (1 1/8") - 395
$104.48$94.10 -
Ronstan Stanchion Block - 20 mm (3/4") - RF3
$90.90 -
Ronstan Series 30 Upright Lead Block - 30 mm (1 3/16") - RF30174
$90.90 -
Schaefer Halyard Lift Turning Block - 303-50
$89.68 -
Schaefer Clamp-On Stanchion Furling Lead Block - 300-34
$88.33 -
9% off
Harken Carbo Lead Block - 29 mm (1 1/8") - 396
$97.73$88.02 -
Ronstan Series 55 Orbit Block - 55 mm (2 5/32") - RF55171
$87.35 -
Barton Size 4/5 Single Stanchion Lead Block - N05190
$77.45 -
Allen Brothers Stanchion Mounted Single Furling Lead Block - 25 mm (1") - PA0450A-1
$73.48 -
Barton Size 2 Ball Bearing Stanchion Double Block - N12290
$71.26 -
9% offHarken Stanchion Mount Carbo Block - 40 mm (1 9/16") - 7401
$77.48$69.80 -
9% offHarken Carbo Outboard Lead Block Assembly - 29 mm (1 1/8") - 7403
$73.43$66.15 -
Barton Size 4/5 Single Upright Plain Sheave Bearing Block with Fairlead - N04151
$65.84 -
Schaefer 3 Series Half Moon Fixed Ball Bearing Fairlead Block - 300-31
$64.03 -
9% offHarken Double Upright Lead Bullet Block - 29 mm (1 1/8") - 220
$70.73$63.72 -
9% offHarken Big Bullet Upright Block - 38 mm (1 1/2") - 222
$68.03$61.29 -
Schaefer 2-Series Fixed Fairlead/Ball Bearing Block - 200-31
$57.28 -
Barton Size 2 Stanchion Lead Double Block
$56.46 - $59.96