Welcome to Defender Canada! 
Single Blocks
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Ronstan Series 25 High Load Ball Bearing Orbit Block with Becket and Lashing Head - RF28109HL
$99.28 -
Ronstan Series 25 Ball Bearing Orbit Block with Becket and Swivel Shackle - RF28100
$27.23 -
Ronstan Series 25 Ball Bearing Orbit Block with Becket and Lashing Head - RF28109
$19.17 -
Ronstan Series 30 Single Utility Block with Loop Head & Becket - RF681
$27.52 -
Ronstan Series 50 Single Loop Top Ball Bearing Block - RF50101
$68.84 -
Ronstan Series 50 All Purpose Single Stand Up Block - RF51140
$72.18 -
Ronstan Series 25 Single Utility Block with Swivel Fork Shackle - RF573
$30.59 -
Ronstan Series 40 Ball Bearing Single Orbit Block - RF46100
$107.50 -
Ronstan Series 40 Ball Bearing Single Orbit Block with Becket & Cleat - RF45130
$140.46 -
Ronstan Series 40 Ball Bearing Single Block - RF40100
$46.37 -
Ronstan Series 30 Loop Top Utility Block - RF280
$17.72 -
Ronstan Series 30 Ball Bearing Single Block with Swivel Shackle - RF30100
$45.53 -
Ronstan Series 30 Ball Bearing Loop Top Single Block - RF30101
$31.06 -
Ronstan Series 60 AP Block - RF66100
$76.05 -
Ronstan Series 30 Orbit Block - 30 mm (1 3/16") - RF35101D
$45.89 -
Ronstan Series 30 Orbit Block - 30 mm (1 3/16") - RF35109HL
$151.55 -
Ronstan Series 30 Orbit Stand-Up Block - 30 mm (1 3/16") - RF35140
$43.87 -
Ronstan Series 30 Orbit Stand-Up Block - 30 mm (1 3/16") - RF35141
$39.54 -
Ronstan Series 40 BB Orbit Block - 40 mm (1 9/16") - RF45110
$48.35 -
Ronstan Series 40 Block - 40 mm (1 9/16") - RF41100
$35.78 -
Ronstan Series 40 Block - 40 mm (1 9/16") - RF41111
$43.87 -
Ronstan Series 40 Block - 40 mm (1 9/16") - RF41110
$47.20 -
Ronstan Series 40 Stand-Up Block - 40 mm (1 9/16") - RF41140
$50.53 -
Ronstan Series 50 Block - 50 mm (2") - RF51100
$51.09 -
Ronstan Series 50 Block - 50 mm (2") - RF51101
$48.88 -
Ronstan Series 50 Block - 50 mm (2") - RF51110
$77.08 -
Ronstan Series 50 Block - 50 mm (2") - RF51111
$71.90 -
Ronstan Series 55 BB Orbit Block - 55 mm (2 5/32") - RF55110
$70.52 -
Ronstan Series 55 Ratchet Orbit Block - 55 mm (2 5/32") - RF56110
$127.13 -
Ronstan Series 55 Ratchet Orbit Block - 55 mm (2 5/32") - RF56130
$245.57 -
Ronstan Series 55 RT Orbit Ratchet Block - 55 mm (2 5/32") - RF56100
$130.46 -
Ronstan Series 60 Core Block - 60 mm (2 3/8") - RF64130
$351.70 -
Ronstan Series 60 Core Block - 60 mm (2 3/8") - RF64100
$156.64 -
Ronstan Series 60 Core Block - 60 mm (2 3/8") - RF64100AW
$238.44 -
Ronstan Series 60 Core Block - 60 mm (2 3/8") - RF64110
$213.27 -
Ronstan Series 60 Core Block - 60 mm (2 3/8") - RF64108AW
$267.00 -
Ronstan Series 60 Core Halyard Block - 60 mm (2 3/8") - RF64108
$151.61 -
Ronstan Series 60 Core Mast Base Block - 60 mm (2 3/8") - RF64108A
$125.19 -
Ronstan Series 60 Core Stand-Up Block - 60 mm (2 3/8") - RF64140
$276.20 -
Ronstan Series 75 Core Block - 75 mm (3") - RF74100
$213.27 -
Ronstan Series 75 Core Block - 75 mm (3") - RF74100AW
$351.70 -
Ronstan Series 75 Core Block - 75 mm (3") - RF74110
$263.61 -
Ronstan Series 75 Core Halyard Block - 75 mm (3") - RF74108
$175.52 -
Ronstan Series 75 Core Mast Base Block - 75 mm (3") - RF74108A
$150.35 -
Ronstan Series 75 Core Stand-Up Block - 75 mm (3") - RF74140
$346.67 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15100
$32.59 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15101
$19.08 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15111
$22.21