Welcome to Defender Canada! 
Upright & Lead Blocks
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Barton Size 2 Stanchion Lead Double Block
$54.71 - $58.08 -
Harken Flip-Flop Block - 16 mm (5/8") - 437
$67.69 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15171
$31.77 -
Schaefer Halyard Lift Turning Block - 303-50
$96.94 -
Ronstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20171
$33.42 -
Ronstan Series 30 Upright Lead Block - 30 mm (1 3/16") - RF30174
$93.61 -
Barton Size 1 Lead Block - N01190
$14.19 -
Barton Size 1 Ball Bearing Lead Block - N11190
$17.65 -
Barton Ball Bearing Spinnaker Single Lead
$33.97 - $37.64 -
Barton Spinnaker Single Lead
$30.63 - $34.34 -
Harken Ratchamatic Small Boat Flip Flop Block - 57 mm (2 1/4") - 2144
$368.45 -
Lewmar Control Vertical Lead Block - 30 mm (1 3/16") - 29901363BK
$40.00 -
Lewmar Control Vertical Lead Block - 40 mm (1 9/16") - 29901463BK
$54.60 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15174
$55.60 -
Schaefer Clamp-On Lead 3-Block Kit with 50'-5/16" Line - 1100-19
$505.76 -
Schaefer Clamp-On Lead 4-Block Kit with 70'-5/16" Line - 2100-19
$675.14 -
Schaefer Clamp-On Lead 5-Block Kit with 90'-3/8" Line - 3100-19
$797.79 -
Schaefer Hinged Half-Moon Mast Base Block - 32-17
$717.44 -
Ronstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20174
$56.40 -
Ronstan Stanchion Block - 20 mm (3/4") - RF3
$93.61 -
Ronstan Series 30 Upright Lead Block - 30 mm (1 3/16") - RF30171
$44.91 -
Ronstan Series 55 Orbit Block - 55 mm (2 5/32") - RF55171
$89.95 -
Harken Carbo Lead Block - 40 mm (1 9/16") - 2157
$121.71 -
Harken Upright Lead Block - 57 mm (2 1/4") - 206
$127.55
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