Welcome to Defender Canada! 
Single Blocks
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19% offRonstan Series 60 Core Block - 60 mm (2 3/8") - RF64100
$125.44 -
19% offRonstan Series 50 Block - 50 mm (2") - RF51100
$40.99 -
19% offRonstan Series 40 Block - 40 mm (1 9/16") - RF41100
$28.74 -
19% offRonstan Series 75 Core Block - 75 mm (3") - RF74100
$170.73 -
19% offRonstan Series 40 Ball Bearing Single Orbit Block with Becket & Cleat - RF45130
$112.48 -
19% offRonstan Series 60 Core Block - 60 mm (2 3/8") - RF64110
$170.73 -
19% offRonstan Series 30 Orbit Block - 30 mm (1 3/16") - RF35100
$27.73 -
19% offRonstan Series 30 Orbit Block - 30 mm (1 3/16") - RF35109HL
$121.36 -
19% offRonstan Series 55 BB Orbit Block - 55 mm (2 5/32") - RF55110
$56.53 -
19% offRonstan Series 20 Block - 20 mm (3/4") - RF20100
$26.19 -
19% offRonstan Series 50 All Purpose Single Stand Up Block - RF51140
$57.87 -
19% off
Ronstan Series 40 BB Orbit Block - 40 mm (1 9/16") - RF45110
$38.81 -
19% offRonstan Series 40 Stand-Up Block - 40 mm (1 9/16") - RF41140
$40.54 -
19% offRonstan Series 20 Block - 20 mm (3/4") - RF20101
$15.21 -
19% offRonstan Series 30 Orbit Block - 30 mm (1 3/16") - RF35101
$19.68 -
19% offRonstan Series 50 Block - 50 mm (2") - RF51101
$39.22 -
19% offRonstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15100
$26.19 -
19% offRonstan Series 40 All-Purpose Single Block - 40 mm (1 9/16") - RF41101
$23.72 -
19% offRonstan Series 55 Ratchet Orbit Block - RF56120
$190.86 -
8% offRonstan Series 25 Ball Bearing Orbit Block with Becket and Swivel Shackle - RF28100
$25.64 -
19% offRonstan Series 20 Ball Bearing Block - 20 mm (3/4") - RF25109
$17.66 -
19% off
Ronstan Series 20 Block - 20 mm (3/4") - RF20101HL
$31.76 -
19% offRonstan Series 40 Block - 40 mm (1 9/16") - RF41110
$37.88 -
19% offRonstan Series 55 RT Orbit Ratchet Block - 55 mm (2 5/32") - RF56100
$104.49 -
19% offRonstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15141
$23.23 -
19% offRonstan Series 30 Ball Bearing Single Block with Swivel Shackle - RF30100
$36.55 -
19% offRonstan Series 20 Block - 20 mm (3/4") - RF20184
$23.89 -
19% offRonstan Series 20 Stand-Up Block - 20 mm (3/4") - RF20141
$25.89 -
19% offRonstan Series 30 Orbit Stand-Up Block - 30 mm (1 3/16") - RF35141
$31.76 -
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 30 Ball Bearing Loop Top Single Block - RF30101
$24.97 -
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") - RF35100A
$37.88 -
19% off
Ronstan Series 30 Orbit Block - 30 mm (1 3/16") - RF35100D
$43.83 -
19% off
Ronstan 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 75 Core Mast Base Block - 75 mm (3") - RF74108A
$120.41 -
19% offRonstan Series 75 Core Stand-Up Block - 75 mm (3") - RF74140
$277.45 -
19% offRonstan Series 60 AP Block - RF66100
$60.96 -
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 -
19% off
Ronstan 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