Welcome to Defender Canada! 
Upright & Lead Blocks
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Harken Carbo Furling Lead Block Kit - 7404
$466.28 -
Harken Carbo Ratchet Block - 57 mm (2 1/4") - 7402
$143.63 -
Harken Stanchion Mount Carbo Block - 40 mm (1 9/16") - 7401
$77.48 -
Harken Carbo Outboard Lead Block Assembly - 29 mm (1 1/8") - 7403
$73.43 -
Harken Halyard Restrainer - 25 mm (15/16") - 944
$115.28 -
Harken Big Bullet Upright Block - 38 mm (1 1/2") - 222
$68.03 -
Harken Carbo Lead Block - 40 mm (1 9/16") - 2156
$119.33 -
Ronstan Series 60 Pivoting Low-Lead Ratchet Block with Cleat - RF62175
$381.28 -
Harken Carbo Lead Block - 29 mm (1 1/8") - 395
$104.48 -
Harken Micro Upright Block - 22 mm (7/8") - 243
$28.88 -
Harken Reflex Furling Lead Block Kit - 7356
$261.08 -
Ronstan Series 30 Upright Lead Block - 30 mm (1 3/16") - RF30174
$83.80 -
Harken Carbo Lead Block - 29 mm (1 1/8") - 396
$97.73 -
Harken Double Upright Lead Bullet Block - 29 mm (1 1/8") - 220
$70.73 -
Harken Halyard Restrainer - 31 mm (1 1/4") - 945
$149.03 -
Harken Big Bullet Upright Block - 38 mm (1 1/2") - 223
$120.68 -
Harken Carbo Lead Block - 40 mm (1 9/16") - 2157
$112.58 -
Harken Upright Lead Block - 57 mm (2 1/4") - 206
$117.98 -
Ronstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20171
$30.07 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15174
$49.97 -
Ronstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20174
$50.70 -
Ronstan Stanchion Block - 20 mm (3/4") - RF3
$79.78 -
Ronstan Series 30 Upright Lead Block - 30 mm (1 3/16") - RF30171
$40.37 -
Ronstan Series 55 Orbit Block - 55 mm (2 5/32") - RF55171
$78.63 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15171
$28.58