Welcome to Defender Canada! 
Double Blocks
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Ronstan Series 50 Block - 50 mm (2") - RF51200
$109.28 -
Ronstan Series 40 All Purpose Double Block - RF41200
$77.18 -
Ronstan Series 50 Double Block - 50 mm (2") - RF51210
$135.39 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15202
$36.89 -
Ronstan Series 40 Ball Bearing Double Orbit Block - RF48210
$138.96 -
Ronstan Series 20 Double Block - 20 mm (3/4") - RF20202
$47.20 -
Ronstan Series 20 Double Block - 20 mm (3/4") - RF20212
$52.20 -
Ronstan Series 30 Orbit Double Block - 30 mm (1 3/16") - RF35212
$60.52 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15212
$40.78 -
Ronstan Series 30 Utility Double Block - RF417
$33.68 -
Schaefer 5 Series Double Block - 504-25
$260.02 -
Schaefer 5 Series Double Block - 505-25
$313.60 -
Schaefer 7 Series Double Block - 705-25
$409.48 -
Ronstan Series 30 Orbit Double Block - 30 mm (1 3/16") - RF35202
$57.18 -
Schaefer 7 Series Double Block - 704-25
$378.46 -
Ronstan Series 55 Ball Bearing Orbit Double Block - 55 mm (2 5/32") - RF55210
$148.37 -
Ronstan Series 60 Core Double Block - 60 mm (2 3/8") - RF64202
$326.53 -
Ronstan Series 75 Core Double Block - 75 mm (3") - RF74202
$364.28 -
39% offSchaefer 5 Series Double Block - 504-35
$245.92$147.79 -
9% offSchaefer 7 Series Double Block - 706-25
$409.48$368.59 -
Ronstan Series 40 Ball Bearing Double Block - RF40200
$103.81 -
Ronstan Series 100 Double Core Block - RF104200
$1,013.38 -
Ronstan Series 100 Double Orbit Block - RF109200
$1,629.51 -
Ronstan Series 100 Double Strop Orbit Block - RF109209
$1,282.91 -
Ronstan Series 60 Double Orbit Block - RF69200
$810.15 -
Ronstan Series 60 Double Strop Orbit Block - RF69209
$756.64 -
Ronstan Series 75 Orbit Double Block - RF79200
$1,141.71 -
Ronstan Series 75 Double Strop Orbit Block - RF79209
$923.50 -
Ronstan Series 75 Industrial Double Block
$236.79 - $294.54