Welcome to Defender Canada! 
Upright & Lead Blocks
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Harken Fly Block - 40 mm (2 5/16") - 2173
$303.68 -
Harken Stanchion Mount Block - 57 mm (2 1/4") - 7407
$97.82 -
Harken Flip-Flop SB Block - 75 mm (3") - 2678
$378.45 -
Harken Flip-Flop SB Block with Cam Cleat - 40 mm (1 9/16") - 2182
$165.50 -
Harken Aluminum Mastbase Block - 44 mm (1 3/4") - 1986
$128.84 -
Harken Wire Upright Lead Bullet Block - 29 mm (1 1/8") - 108
$52.70 -
Harken Wide-Base Halyard Restrainer - 31 mm (1 1/4") - 1113
$165.50 -
Harken Protexit Wide Sheave Single Exit Block - 60 mm (2 3/8") - 1209
$471.47 -
Ronstan Series 75 Roller Bearing Block
$715.71 - $935.58 -
Ronstan Series 60 Roller Bearing Low-Lead Block
$422.91 - $718.13 -
Ronstan Series 60 AP Block
$267.07 - $327.70 -
Ronstan Series 100 Single Roller Bearing Block with Upright Lead - RF108171
$756.64 -
Ronstan Series 60 Roller Bearing Block with Upright Lead - RF69100
$448.57 -
Ronstan Series 75 Single Upright Lead AP Block - RF71171
$454.89 -
Ronstan Swivel Dead Eye & Cleat Fairlead - 1/8" - 1/2" (3 - 12 mm) - RF58
$119.53 -
Ronstan Fairlead - 9/16" (14 mm) - RF59
$12.58 -
Ronstan Upright Lead Block with Nylatron Sheave - 7/8" (22 mm) - RF453
$45.17 -
Ronstan Series 40 Ball Bearing Upright Lead Single Block - RF40171
$79.26 -
Barton Ball Bearing Upright Single Block
$39.19 - $73.72 -
Barton Size 2 Stanchion Lead Double Block
$58.94 - $62.60 -
Barton Upright Wire Rope Block
$57.05 - $95.62 -
Barton Spinnaker Single Lead
$33.01 - $36.99 -
Barton Ball Bearing Upright Double Block
$54.05 - $106.09 -
Barton Ball Bearing Stanchion Lead Single Block
$48.85 - $129.94 -
Barton Ball Bearing Spinnaker Single Lead
$36.58 - $38.29 -
Barton Upright Double Block
$43.12 - $90.25 -
Barton Upright Single Block
$34.66 - $63.82 -
Barton Size 3 Stanchion Lead Single Block
$43.79 - $125.81 -
Barton Size 2 Stanchion Lead Single Block - N02190
$39.85 -
Barton Size 2 Ball Bearing Stanchion Double Block - N12290
$74.40 -
Barton Size 1 Lead Block - N01190
$14.78 -
Barton Size 1 Ball Bearing Lead Block - N11190
$18.42 -
9% offLewmar Control Vertical Lead Block - 40 mm (1 9/16") - 29901463BK
$47.54 -
Lewmar Control Vertical Lead Block - 30 mm (1 3/16") - 29901363BK
$38.65 -
Harken Flip-Flop Block - 16 mm (5/8") - 437
$66.80 -
Harken Ratchamatic Small Boat Flip Flop Block - 57 mm (2 1/4") - 2144
$362.90 -
Harken Double Stanchion Mount Lead Block - 40 mm (1 9/16") - 7405
$128.84 -
Harken Reflex Furling Lead Block Kit - 7356
$278.30 -
Harken Aluminum Mastbase Block - 57 mm (2 1/4") - 1988
$341.75 -
Schaefer 2-Series Fixed Fairlead/Ball Bearing Block - 200-31
$66.85 -
Schaefer 5 Series Over The Top Block
$209.26 -
Schaefer 3 Series Over The Top Block
$124.66 - $217.72 -
Spinlock Compact Stanchion Lead Block - WL/2
$57.83 -
Schaefer Clamp-On Pulpit Furling Lead Block - 300-35
$209.26 -
Schaefer Clamp-On Pulpit Furling Lead Block - 500-35
$344.62 -
Schaefer Clamp-On Stanchion Furling Lead Block - 300-34
$102.10 -
14% offSchaefer Clear Step Furling Lead Block Kit - 300-76
$562.68 -
Schaefer Clear Step Outside Furling Lead Block - 506-44
$116.20