Welcome to Defender Canada! 
Single Blocks
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19% offRonstan Series 30 Ball Bearing Single Block with Swivel Shackle - RF30100
$36.55 -
Wichard Single Plain Bearing Block - 55 mm (2 11/64")
$42.59 - $188.00 -
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 -
9% offSchaefer 3 Series Block - 303-05
$119.87 -
9% offSchaefer 3 Series Block - 03-03
$95.76 -
9% offSchaefer 5 Series Block - 504-15
$135.10 -
Barton Double Tang Single Block
$19.25 - $51.82 -
Barton High Load Wire Rope Block
$76.87 - $82.77 -
Barton Aluminum Fixed Eye Wire Rope Block
$113.51 - $120.50 -
Barton Size 1 Ball Bearing Single Block
$25.27 - $39.40 -
Barton Size 2 Ball Bearing Single Block
$28.95 - $125.17 -
Barton Size 4/5 Ball Bearing Single Block
$51.09 - $184.67 -
Harken Micro Anti-Capsize Block - 22 mm (7/8") - 443
$35.78 -
Harken Zircon Block
$76.67 - $183.83 -
Lewmar HTX Stand-Up Block - 72 mm (2 13/16") - 29197211
$338.98 -
Lewmar Synchro Stand Up Block - 60 mm (2 3/8") - 29926000BK
$145.81 -
Barton Size 4/5 Plain Sheave Fixed Eye Bearing Block with Clevis Pin - N05090
$45.04 -
Lewmar Synchro Control Stand-Up Block - 30 mm (1 3/16") - 29901320BK
$31.60 -
Lewmar Synchro Control Stand-Up Block - 40 mm (1 9/16") - 29901420BK
$54.16 -
Harken Carbo Air Block - 75 mm (2 15/16") - 2661
$161.27 -
Harken T2 Soft-Attach Ratchamatic Block - 40 mm (1 9/16") - 2159
$106.28 -
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% 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 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 -
9% offSchaefer 3 Series Block - 03-02
$65.30 -
9% offSchaefer 5 Series Block - 506-05
$130.02 -
Barton Size 1 Stainless Steel Single Block
$16.11 - $28.95 -
Barton Size 3 Wooden Single Block
$222.80 - $268.29 -
Barton Size 6 Ball Bearing Single Block
$64.19 - $212.20 -
Harken 90 deg. Carbo Block - 40 mm (1 9/16") - 2659
$61.16 -
Harken 90 deg. Carbo Block - 29 mm (1 1/8") - 352
$34.37 -
Harken Narrow Ferrule Head Block - 16 mm (5/8") - 467
$30.14 -
Harken Black Magic Aluminum Swivel Block - 45 mm (1 3/4")
$299.45 - $388.28 -
Lewmar HTX Web Block - 60 mm (2 3/8") - 29196047
$116.20 -
Lewmar Control Single Block with Sheave - 40 mm (1 9/16") - 29901401BK
$40.06 -
Lewmar Racing Single Stand Up Block - 60 mm (2 3/8") - 29901600BK
$420.76