Welcome to Defender Canada! 
Upright & Lead Blocks
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Barton Upright Double Block
$39.87 - $86.88 -
Ronstan Series 60 Pivoting Low-Lead Ratchet Block with Cleat - RF62175
$395.38 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15171
$29.62 -
Barton Upright Single Block
$32.07 - $61.46 -
Allen Brothers Stanchion Mounted Single Furling Lead Block - 25 mm (1") - PA0450A-1
$76.18 -
Barton Size 4/5 Single Upright Plain Sheave Bearing Block with Fairlead - N04151
$63.57 -
Ronstan Series 30 Upright Lead Block - 30 mm (1 3/16") - RF30174
$86.88 -
Allen Brothers Stanchion Mounted Fairlead - 25 mm (1") - PA0455-1
$31.38 -
Barton Size 4/5 Single Stanchion Lead Block - N05190
$71.20 -
Ronstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20171
$31.16 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15174
$51.80 -
Barton Upright Wire Rope Block
$52.30 - $91.95 -
Barton Ball Bearing Upright Single Block
$36.96 - $69.49 -
Ronstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20174
$52.55 -
Ronstan Stanchion Block - 20 mm (3/4") - RF3
$82.71 -
Ronstan Series 30 Upright Lead Block - 30 mm (1 3/16") - RF30171
$41.84 -
Ronstan Series 55 Orbit Block - 55 mm (2 5/32") - RF55171
$81.52 -
Barton Ball Bearing Upright Double Block
$50.97 - $100.03