Welcome to Defender Canada! 
Upright & Lead Blocks
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Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15174
$56.36 -
Ronstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20171
$33.87 -
Ronstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20174
$57.18 -
Ronstan Stanchion Block - 20 mm (3/4") - RF3
$94.91 -
Harken Carbo Furling Lead Block Kit - 7404
$496.85 -
Harken Halyard Restrainer - 31 mm (1 1/4") - 945
$158.45 -
Harken Big Bullet Upright Block - 38 mm (1 1/2") - 222
$72.44 -
Harken Big Bullet Upright Block - 38 mm (1 1/2") - 223
$127.43 -
Harken Carbo Lead Block - 40 mm (1 9/16") - 2156
$127.43 -
Harken Carbo Lead Block - 40 mm (1 9/16") - 2157
$118.97 -
Harken Stanchion Mount Carbo Block - 40 mm (1 9/16") - 7401
$82.31 -
Harken Carbo Ratchet Block - 57 mm (2 1/4") - 7402
$152.81 -
Harken Over The Top Single Block - 57 mm (2 1/4") - 3002
$341.75 -
Harken Upright Lead Block - 57 mm (2 1/4") - 206
$124.61 -
Harken Micro Upright Block - 22 mm (7/8") - 243
$30.14 -
Harken Halyard Restrainer - 25 mm (15/16") - 944
$121.79 -
Harken Carbo Lead Block - 29 mm (1 1/8") - 395
$111.92 -
Harken Carbo Lead Block - 29 mm (1 1/8") - 396
$103.46 -
Harken Carbo Outboard Lead Block Assembly - 29 mm (1 1/8") - 7403
$78.08 -
Harken Double Upright Lead Bullet Block - 29 mm (1 1/8") - 220
$76.67 -
Harken Upright Lead Bullet Block - 29 mm (1 1/8") - 096
$42.83 -
Barton Size 4/5 Single Stanchion Lead Block - N05190
$80.87 -
Barton Size 4/5 Single Upright Plain Sheave Bearing Block with Fairlead - N04151
$68.74 -
Allen Brothers Stanchion Mounted Single Furling Lead Block - 25 mm (1") - PA0450A-1
$92.23
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