Welcome to Defender Canada! 
Upright & Lead Blocks
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Barton Upright Single Block
$33.21 - $61.13 -
Barton Upright Double Block
$41.31 - $86.43 -
Barton Size 2 Stanchion Lead Single Block - N02190
$38.18 -
Barton Size 3 Stanchion Lead Single Block
$41.95 - $120.48 -
Ronstan Shock Block
$23.12 - $31.18 -
Barton Ball Bearing Upright Double Block
$51.78 - $101.61 -
Barton Size 4/5 Single Stanchion Lead Block - N05190
$77.45 -
Barton Size 4/5 Single Upright Plain Sheave Bearing Block with Fairlead - N04151
$65.84 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15171
$30.87 -
Ronstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20171
$32.46 -
Barton Spinnaker Single Lead
$31.63 - $35.44 -
Barton Ball Bearing Stanchion Lead Single Block
$46.80 - $124.43 -
Barton Upright Wire Rope Block
$54.65 - $91.57 -
Barton Size 2 Stanchion Lead Double Block
$56.46 - $59.96 -
Ronstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20174
$54.77 -
Ronstan Swivel 180 Cleat Platform - RF5
$103.77 -
Ronstan Series 60 Pivoting Low-Lead Ratchet Block with Cleat - RF62175
$400.18 -
Barton Size 1 Lead Block - N01190
$13.73 -
Barton Size 1 Ball Bearing Lead Block - N11190
$17.16 -
Barton Size 2 Ball Bearing Stanchion Double Block - N12290
$71.26 -
Barton Ball Bearing Spinnaker Single Lead
$35.05 - $36.68 -
Barton Ball Bearing Upright Single Block
$37.55 - $70.61 -
Ronstan Stanchion Block - 20 mm (3/4") - RF3
$90.90 -
Ronstan Series 30 Upright Lead Block - 30 mm (1 3/16") - RF30171
$43.62 -
Ronstan Series 30 Upright Lead Block - 30 mm (1 3/16") - RF30174
$90.90 -
Ronstan Series 55 Orbit Block - 55 mm (2 5/32") - RF55171
$87.35 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15174
$53.99