Welcome to Defender Canada! 
Single Blocks
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Ronstan Series 25 Ball Bearing Orbit Block with Becket and Swivel Shackle - RF28100
$27.88 -
Ronstan Series 30 Ball Bearing Single Block with Swivel Shackle - RF30100
$45.53 -
Ronstan Series 40 Ball Bearing Single Block - RF40100
$46.37 -
Ronstan Series 30 Single Utility Block with Loop Head & Becket - RF681
$27.52 -
Harken Wire Bullet Block - 29 mm (1 1/8") - 098
$38.60 -
Harken Dinghy Vang Lower Unit - HSB534
$221.90 -
Harken Fly Block - 29 mm (1 1/8") - 2171
$243.05 -
Harken Ratchamatic HTE Block with Swivel - 57 mm (2 1/4") - 2625.HTE
$181.01 -
Harken Forkhead Wire Block - 25 mm (1") Becket - 466
$71.03 -
Harken Aluminum Element Stand-Up Block - 45 mm (1 3/4") - 6250
$242.84 -
Harken Aluminum Element Stand-Up Block with Becket - 45 mm (1 3/4") - 6251
$258.13 -
Harken Carbo Clew Block Assembly - 29 mm (1 1/8") - 371
$52.70 -
Harken Single Fixed Head Block without Ring - 16 mm (5/8") - 404W/O
$26.73 -
Harken Single Block with Becket - 16 mm (5/8") - 405
$30.14 -
Harken Through-Deck Block - 16 mm (5/8") - 421
$71.03 -
Harken Black Magic Aluminum Loop Block - 45 mm (1 3/4") - 3389
$293.81 -
Lewmar HTX Block - 60 mm (2 3/8") - 27196001
$496.90 -
Lewmar HTX Upstand Block - 50 mm (2") - 29195011
$190.93 -
Lewmar HTX Web Block - 50 mm (2") - 29195047
$102.10 -
Lewmar HTX Upstand Block - 60 mm (2 3/8") - 29196011
$203.62 -
Lewmar HTX Web Block - 72 mm (2 13/16") - 29197247
$186.70 -
Lewmar Control Single Web Block - 30 mm (1 3/16") - 29901447BK
$41.47 -
Lewmar Racing Block Single - 60 mm (2 3/8") - 29901611BK
$227.59 -
Lewmar Web Block - 60 mm (2 3/8") - 29901647
$347.44 -
Lewmar Control Block - 60 mm (2 3/8") - 29901651BK
$76.72 -
Lewmar Control Block with Ratchet and Cleat - 60 mm (2 3/8") - 29901667BK
$269.89 -
Lewmar Racing Single Block - 80 mm (3 1/8") - 29901811BK
$251.56 -
Lewmar Racing Single Block with Ratchet - 80 mm (3 1/8") - 29901821BK
$305.14 -
Lewmar Racing Ratchet Block with Swivel, Becket and Cam Cleat - 80 mm (3 1/8") - 29901829
$539.20 -
Lewmar Synchro Block - 105 mm (4 1/8") - 29921051BK
$893.13 -
Lewmar High Load Racing Fixed Halyard Block - 105 mm (4 1/8") - 29902100
$1,015.78 -
Lewmar High Load Racing Block - 130 mm (1 3/16") - 29941131BK
$1,300.62 -
Lewmar High Load Racing Stand Up Block - 105 mm (4 1/8") - 29941100BK
$1,232.94 -
Lewmar High Load Racing Single Stand Up Block - 60 mm (2 3/8") - 29941600BK
$439.09 -
Lewmar Control Single Block - 30 mm (1 3/16")
$28.54 - $40.06 -
Lewmar Racing Block - 80 mm (3 1/8")
$420.76 - $804.28 -
Lewmar Runner Block
$611.11 - $1,083.46 -
Barton Ratchet Block - 55 mm (2 5/32") - 90500
$165.77 -
Barton Size 4/5 Plain Sheave Fixed Eye Bearing Block with Clevis Pin - N05090
$45.04 -
Barton Size 7 Plain Sheave Single Bearing Block with Swivel - N07130
$136.32 -
Barton Size 7 Plain Sheave Single Reverse Bearing Block - N07120
$85.38 -
Ronstan Series 20 Block - 20 mm (3/4") - RF20101HL
$39.54 -
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") - RF35141
$39.54 -
Ronstan Series 50 Block - 50 mm (2") - RF51110
$77.08 -
Ronstan Series 50 Block - 50 mm (2") - RF51111
$71.90 -
Ronstan Series 55 Ratchet Orbit Block - 55 mm (2 5/32") - RF56130
$245.57 -
Ronstan Series 60 Core Block - 60 mm (2 3/8") - RF64130
$351.70