Welcome to Defender Canada! 
Upright & Lead Blocks
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11% offSchaefer Clamp-On Lead 5-Block Kit with 90'-3/8" Line - 3100-19
$737.73$649.73 -
11% offSchaefer Clamp-On Lead 4-Block Kit with 70'-5/16" Line - 2100-19
$624.32$549.77 -
11% offSchaefer Clear Step Furling Lead Block Kit - 300-76
$560.83$493.84 -
Harken Carbo Furling Lead Block Kit - 7404
$466.28 -
6% offRonstan Series 60 Pivoting Low-Lead Ratchet Block with Cleat - RF62175
$381.28$355.31 -
12% offSchaefer Clamp-On Pulpit Furling Lead Block - 500-35
$293.53$258.22 -
12% offSchaefer Hinged Fairlead Block - 506-32
$277.33$243.94 -
12% offSchaefer Clear Step Outside Furling Lead Block - 706-44
$243.58$214.19 -
12% offSchaefer Hinged Fairlead Block - 300-32
$219.28$192.77 -
12% offSchaefer Clamp-On Pulpit Furling Lead Block - 300-35
$177.43$155.88 -
Harken Halyard Restrainer - 31 mm (1 1/4") - 945
$149.03 -
Harken Carbo Ratchet Block - 57 mm (2 1/4") - 7402
$143.63 -
Harken Big Bullet Upright Block - 38 mm (1 1/2") - 223
$120.68 -
Harken Carbo Lead Block - 40 mm (1 9/16") - 2156
$119.33 -
Harken Upright Lead Block - 57 mm (2 1/4") - 206
$117.98 -
Harken Halyard Restrainer - 25 mm (15/16") - 944
$115.28 -
Harken Carbo Lead Block - 40 mm (1 9/16") - 2157
$112.58 -
Harken Carbo Lead Block - 29 mm (1 1/8") - 395
$104.48 -
Harken Carbo Lead Block - 29 mm (1 1/8") - 396
$97.73 -
12% offSchaefer Clear Step Outside Furling Lead Block - 506-44
$97.78$85.67 -
Ronstan Series 30 Upright Lead Block - 30 mm (1 3/16") - RF30174
$83.80 -
Ronstan Stanchion Block - 20 mm (3/4") - RF3
$79.78 -
Ronstan Series 55 Orbit Block - 55 mm (2 5/32") - RF55171
$78.63 -
Harken Stanchion Mount Carbo Block - 40 mm (1 9/16") - 7401
$77.48 -
12% offSchaefer Halyard Lift Turning Block - 303-50
$86.98$76.15 -
12% offSchaefer Clamp-On Stanchion Furling Lead Block - 300-34
$86.98$76.15 -
Allen Brothers Stanchion Mounted Single Furling Lead Block - 25 mm (1") - PA0450A-1
$73.48 -
Harken Carbo Outboard Lead Block Assembly - 29 mm (1 1/8") - 7403
$73.43 -
Harken Double Upright Lead Bullet Block - 29 mm (1 1/8") - 220
$70.73 -
Barton Size 4/5 Single Stanchion Lead Block - N05190
$68.68 -
Harken Big Bullet Upright Block - 38 mm (1 1/2") - 222
$68.03 -
Barton Size 4/5 Single Upright Plain Sheave Bearing Block with Fairlead - N04151
$61.32 -
Spinlock Compact Stanchion Lead Block - WL/2
$55.39 -
12% offSchaefer 3 Series Half Moon Fixed Ball Bearing Fairlead Block - 300-31
$62.68$54.73 -
Ronstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20174
$50.70 -
Barton Upright Wire Rope Block
$50.45 - $88.69 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15174
$49.97 -
12% offSchaefer 2-Series Fixed Fairlead/Ball Bearing Block - 200-31
$55.93$48.78 -
Harken Upright Lead Bullet Block - 29 mm (1 1/8") - 096
$41.03 -
Barton Upright Double Block
$38.47 - $83.80 -
8% offC.S. Johnson Roller Furling Bail - 40-505
$34.33$31.49 -
Barton Upright Single Block
$30.95 - $59.28 -
Allen Brothers Stanchion Mounted Fairlead - 25 mm (1") - PA0455-1
$30.28 -
Ronstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20171
$30.07 -
Harken Micro Upright Block - 22 mm (7/8") - 243
$28.88 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15171
$28.58