Welcome to Defender Canada! 
Single Blocks
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19% offRonstan Series 25 Single Utility Block with Swivel Fork Shackle - RF573
$24.60 -
19% offRonstan Series 20 Block - 20 mm (3/4") - RF20111
$19.24 -
19% offRonstan Series 30 Orbit Block - 30 mm (1 3/16") - RF35100D
$43.83 -
19% offRonstan Series 30 Orbit Block - 30 mm (1 3/16") - RF35101D
$36.84 -
19% offRonstan Series 30 Orbit Stand-Up Block - 30 mm (1 3/16") - RF35140
$35.21 -
19% offRonstan Series 40 Block - 40 mm (1 9/16") - RF41111
$35.21 -
19% offRonstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15101
$15.39 -
19% offRonstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15111
$17.88 -
19% offRonstan Series 60 AP Block - RF66100
$60.96 -
9% offSchaefer 3 Series Block - 303-05
$119.87 -
9% offSchaefer 3 Series Block - 03-03
$95.76 -
59% offAllen Brothers Single Block with Ingerfield Clip - Laser Traveler - 29 mm (1 1/16") - A.178-74
$3.07 -
72% offAllen Brothers Single Block - Mid Boom - 38 mm (1 1/2") - A.278
$2.92 -
57% offAllen Brothers Plain Block - Rear Boom - 38 mm (1 1/2") - A.378
$6.24 -
19% offRonstan Series 30 Ball Bearing Loop Top Single Block - RF30101
$24.97 -
19% offRonstan Series 40 Ball Bearing Single Block - RF40100
$37.22 -
19% offRonstan Series 30 Single Utility Block with Loop Head & Becket - RF681
$22.13 -
Up to 19% offAntal OPF Swivel Block
$103.66 - $166.40 -
19% offRonstan Series 50 Block - 50 mm (2") - RF51110
$61.78 -
19% offRonstan Series 50 Block - 50 mm (2") - RF51111
$57.65 -
19% offRonstan Series 55 Ratchet Orbit Block - 55 mm (2 5/32") - RF56110
$101.82 -
19% offRonstan Series 55 Ratchet Orbit Block - 55 mm (2 5/32") - RF56130
$196.57 -
19% offRonstan Series 60 Core Block - 60 mm (2 3/8") - RF64130
$281.48 -
19% offRonstan Series 60 Core Block - 60 mm (2 3/8") - RF64108AW
$213.72 -
19% offRonstan Series 60 Core Halyard Block - 60 mm (2 3/8") - RF64108
$121.41 -
19% offRonstan Series 60 Core Mast Base Block - 60 mm (2 3/8") - RF64108A
$100.27 -
19% offRonstan Series 75 Core Block - 75 mm (3") - RF74100AW
$281.48 -
19% offRonstan Series 75 Core Block - 75 mm (3") - RF74110
$211.00 -
19% offRonstan Series 75 Core Halyard Block - 75 mm (3") - RF74108
$140.54 -
24% offSchaefer 3 Series Block - 300-02
$77.78 -
39% offSchaefer 3 Series Block - 303-03
$72.49 -
14% offSchaefer 3 Series Block - 303-13
$126.43 -
19% offSchaefer 5 Series Block - 505-15
$152.86 -
39% offSchaefer 5 Series Block - 506-15
$113.95 -
9% offSchaefer 8 Series Block - 08-15
$452.35 -
29% offSchaefer 8 Series Stand-Up Swivel Block - 08-62-UC
$452.63 -
34% offAntal Block and Servo Cleat - 522.140
$293.86 -
9% offRonstan Series 25 Ball Bearing Orbit Block with Becket and Lashing Head - RF28109
$17.72 -
9% offRonstan Series 25 High Load Ball Bearing Orbit Block with Becket and Lashing Head - RF28109HL
$91.95 -
19% offRonstan Series 30 Loop Top Utility Block - RF280
$14.29 -
19% offRonstan Series 40 Ball Bearing Single Orbit Block - RF46100
$86.13 -
19% offRonstan Series 50 Single Loop Top Ball Bearing Block - RF50101
$55.19 -
9% offRonstan Series 60 Single Ratchet Block - RF62100
$236.62 -
19% offRonstan Series 60 Strop Orbit Block - RF69109
$400.05 -
19% offRonstan Series 75 Ratchet Block - RF72100
$285.78 -
19% offRonstan Series 75 Strop Orbit Block - RF79109
$492.48 -
Up to 19% offRonstan Series 100 Core Block
$317.90 - $718.41 -
Up to 19% offRonstan Series 100 High Load Orbit Block
$882.68 - $1,077.81