Welcome to Defender Canada! 
Upright & Lead Blocks
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Barton Size 3 Stanchion Lead Single Block
$43.79 - $125.81 -
Barton Upright Double Block
$43.12 - $90.25 -
Ronstan Fairlead - 9/16" (14 mm) - RF59
$12.58 -
Barton Size 2 Stanchion Lead Single Block - N02190
$39.85 -
Barton Upright Single Block
$34.66 - $63.82 -
Ronstan Shock Block
$24.12 - $32.53 -
Barton Upright Wire Rope Block
$57.05 - $95.62 -
Ronstan Series 30 Upright Lead Block - 30 mm (1 3/16") - RF30171
$45.53 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15171
$32.21 -
Ronstan Series 40 Ball Bearing Upright Lead Single Block - RF40171
$79.26 -
Barton Ball Bearing Upright Double Block
$54.05 - $106.09 -
Barton Ball Bearing Stanchion Lead Single Block
$48.85 - $129.94 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15174
$56.36 -
Ronstan Swivel 180 Cleat Platform - RF5
$101.78 -
Barton Size 4/5 Single Stanchion Lead Block - N05190
$80.87 -
Barton Size 4/5 Single Upright Plain Sheave Bearing Block with Fairlead - N04151
$68.74 -
Ronstan Swivel Dead Eye & Cleat Fairlead - 1/8" - 1/2" (3 - 12 mm) - RF58
$119.53 -
Barton Size 2 Stanchion Lead Double Block
$58.94 - $62.60 -
Ronstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20171
$33.87 -
Ronstan Series 20 Upright Lead Block - 20 mm (3/4") - RF20174
$57.18 -
Ronstan Stanchion Block - 20 mm (3/4") - RF3
$94.91 -
Ronstan Series 30 Upright Lead Block - 30 mm (1 3/16") - RF30174
$94.91 -
Ronstan Upright Lead Block with Nylatron Sheave - 7/8" (22 mm) - RF453
$45.17 -
Barton Size 1 Lead Block - N01190
$14.78 -
Barton Size 1 Ball Bearing Lead Block - N11190
$18.42 -
Barton Size 2 Ball Bearing Stanchion Double Block - N12290
$74.40 -
Barton Ball Bearing Spinnaker Single Lead
$36.58 - $38.29 -
Barton Spinnaker Single Lead
$33.01 - $36.99 -
Barton Ball Bearing Upright Single Block
$39.19 - $73.72 -
Ronstan Series 55 Orbit Block - 55 mm (2 5/32") - RF55171
$91.20 -
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 Series 60 AP Block
$336.32 - $416.08 -
Ronstan Series 60 Roller Bearing Low-Lead Block
$422.91 - $718.13 -
Ronstan Series 75 Roller Bearing Block
$715.71 - $935.58