Welcome to Defender Canada! 
Upright & Lead Blocks
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Schaefer Clamp-On Pulpit Furling Lead Block - 300-35
$182.83 -
Schaefer Clamp-On Stanchion Furling Lead Block - 300-34
$88.33 -
Schaefer Hinged Fairlead Block - 300-32
$226.03 -
Schaefer Clamp-On Pulpit Furling Lead Block - 500-35
$300.28 -
Schaefer Clear Step Outside Furling Lead Block - 506-44
$100.48 -
Schaefer Clear Step Furling Lead Block Kit - 300-76
$577.03 -
Schaefer 5 Series Over The Top Block
$182.83 - $298.93 -
Schaefer 3 Series Over The Top Block
$108.58 - $309.73 -
Schaefer Clear Step Outside Furling Lead Block - 706-44
$250.33 -
Ronstan Shock Block
$23.12 - $31.18 -
Schaefer 3 Series Half Moon Fixed Ball Bearing Fairlead Block - 300-31
$64.03 -
Schaefer Hinged Fairlead Block - 506-32
$285.43 -
Schaefer Halyard Lift Turning Block - 303-50
$89.68 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15171
$30.87 -
Schaefer Clamp-On Furling Lead Block Kit - 300-75
$560.83 -
Ronstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20171
$32.46 -
Ronstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20174
$54.77 -
Ronstan Swivel 180 Cleat Platform - RF5
$103.77 -
Schaefer 7 Series Over The Top Block
$240.88 - $323.23 -
Schaefer 2-Series Fixed Fairlead/Ball Bearing Block - 200-31
$57.28 -
Ronstan Series 60 Pivoting Low-Lead Ratchet Block with Cleat - RF62175
$400.18 -
Schaefer Clamp-On Lead 4-Block Kit with 70'-5/16" Line - 2100-19
$624.32 -
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 -
Schaefer Clamp-On Lead 3-Block Kit with 50'-5/16" Line - 1100-19
$467.70 -
Schaefer Clamp-On Lead 5-Block Kit with 90'-3/8" Line - 3100-19
$737.73 -
Schaefer Hinged Half-Moon Mast Base Block - 32-17
$663.43