Welcome to Defender Canada! 
Upright & Lead Blocks
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Ronstan Shock Block
$24.12 - $32.53 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15171
$32.21 -
Ronstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20171
$33.87 -
Ronstan Swivel 180 Cleat Platform - RF5
$108.36 -
Ronstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20174
$57.18 -
Ronstan Series 30 Upright Lead Block - 30 mm (1 3/16") - RF30174
$94.91 -
Ronstan Series 60 Pivoting Low-Lead Ratchet Block with Cleat - RF62175
$417.94 -
Ronstan Stanchion Block - 20 mm (3/4") - RF3
$94.91 -
Ronstan Series 30 Upright Lead Block - 30 mm (1 3/16") - RF30171
$45.53 -
Ronstan Series 55 Orbit Block - 55 mm (2 5/32") - RF55171
$91.20 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15174
$56.36 -
Lewmar Control Vertical Lead Block - 30 mm (1 3/16") - 29901363BK
$38.65 -
9% offLewmar Control Vertical Lead Block - 40 mm (1 9/16") - 29901463BK
$52.75$47.54