Welcome to Defender Canada! 
Single Blocks
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Barton SkyLock 400 Block with Auto Cam & Becket - N09411
$163.73 -
Barton Size 1 Stainless Steel Single Block
$15.78 - $28.35 -
Barton Size 7 Ball Bearing Single Block
$75.46 - $233.00 -
9% offHarken Carbo Air Block - 75 mm (2 15/16") - 2661
$153.71$138.41 -
9% offHarken Midrange Block - 76 mm (3") - 1541
$218.57$196.78 -
9% offHarken Big Bullet Block - 38 mm (1 1/2") - 126
$57.11$51.47 -
9% offHarken Carbo Air Block - 40 mm (1 9/16") - 2646
$178.55$160.76 -
Lewmar HTX Block - 90 mm (3 1/2")
$457.38 - $660.24 -
Antal OPF Swivel Block
$121.18 - $199.77 -
Barton Ratchet Block - 55 mm (2 5/32") - 90500
$162.25 -
Lewmar Synchro Control Stand-Up Block - 30 mm (1 3/16") - 29901320BK
$30.94 -
Ronstan Series 50 Block - 50 mm (2") - RF51101
$47.85 -
Ronstan Series 55 RT Orbit Ratchet Block - 55 mm (2 5/32") - RF56100
$127.70 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15101
$18.69 -
Ronstan Series 15 Ball Bearing Utility Block - 15 mm (5/8") - RF15111
$21.75 -
Schaefer 3 Series Block - 03-03
$94.42 -
9% offHarken Micro Forkhead Block - 22 mm (7/8") - 377
$33.65$30.35 -
9% offHarken Single Block with Swivel - 16 mm (5/8") - 417
$44.69$40.29 -
Barton Double Tang Single Block
$18.66 - $50.73 -
Barton Ball Bearing Stand-Up Single Block
$29.73 - $228.45 -
Barton High Load Wire Rope Block
$75.24 - $81.02 -
Barton Size 6 Single Block
$46.17 - $204.93 -
55% offAllen Brothers Single Block with Ingerfield Clip - Laser Traveler - 29 mm (1 1/16") - A.178-74
$7.50$3.36 -
67% offAllen Brothers Single Block - Mid Boom - 38 mm (1 1/2") - A.278
$10.26$3.36 -
47% offAllen Brothers Plain Block - Rear Boom - 38 mm (1 1/2") - A.378
$14.38$7.50 -
9% offHarken T18 Soft Attach Block - 18 mm (23/32") - 2698
$35.03$31.59 -
9% offHarken Big Bullet Block - 38 mm (1 1/2") - 169
$72.29$65.13 -
Barton Size 4/5 Plain Sheave Fixed Eye Bearing Block with Clevis Pin - N05090
$44.10 -
Barton Size 7 Plain Sheave Single Reverse Bearing Block - N07120
$83.58 -
9% offLewmar Single Block - 60 mm (2 3/8") - 29901665BK
$135.82$122.30 -
Ronstan Series 20 Block - 20 mm (3/4") - RF20101HL
$38.71 -
Ronstan Series 20 Block - 20 mm (3/4") - RF20184
$29.10 -
Ronstan Series 30 Orbit Block - 30 mm (1 3/16") - RF35109HL
$148.34 -
Ronstan Series 30 Orbit Stand-Up Block - 30 mm (1 3/16") - RF35141
$38.71 -
Ronstan Series 50 Block - 50 mm (2") - RF51110
$75.45 -
Ronstan Series 50 Block - 50 mm (2") - RF51111
$70.38 -
Ronstan Series 55 Ratchet Orbit Block - 55 mm (2 5/32") - RF56130
$240.36 -
Ronstan Series 60 Core Halyard Block - 60 mm (2 3/8") - RF64108
$148.40 -
Ronstan Series 75 Core Block - 75 mm (3") - RF74110
$258.01 -
Ronstan Series 75 Core Stand-Up Block - 75 mm (3") - RF74140
$339.31 -
9% offSchaefer 3 Series Block - 03-02
$65.44$58.96 -
9% offSchaefer 3 Series Block - 300-02
$101.32$91.25 -
19% offSchaefer 3 Series Block - 303-13
$145.48$116.50 -
9% offSchaefer 3 Series Stand-Up Swivel Block - 300-62
$210.34$189.37 -
24% offSchaefer 7 Series Block - 704-15
$221.38$166.18 -
24% offSchaefer 7 Series Block - 706-15
$247.60$185.85 -
19% offSchaefer 8 Series Stand-Up Swivel Block - 08-62-UC
$632.62$506.22 -
9% offHarken Wire Bullet Block - 29 mm (1 1/8") - 098
$37.79$34.08