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The 3.00 in. blocks are compat & lightweight, with fast trim and release under high or low loads. Perfect for dinghies, scows, beachcats and iceboats, as well as small offshore racers and cruisers. Used for Main and Jib Sheets, Spinnaker Haylards, and Control Lines.

3.00 in Blocks


3.00 Blocks
Harken, 3.00 Heavy Duty Cruiser Block , 011
Harken, 3.00 Heavy Duty Cruiser Block , 011
Regular Price: $74.05
On Sale For: $70.36 
Part # HAR-011
Manufacturer Part # 011
  • Description: Heavy duty single
  • Sheave dia. (in): 3
  • Sheave dia. (mm): 76
  • Length (in): 5 1/4
  • Length (mm): 133
  • Weight (oz): 8
  • Weight (g): 227
  • Max. line dia. (in): 7/16
  • Max. line dia. (mm): 12
  • Shackle pin dia. (in): 1/4
  • Shackle pin dia. (mm): 6
  • Max. working load (lb): 750
  • Max. working load (kg): 340
  • Breaking load (lb): 3000
  • Breaking load (kg): 1361
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    Quantity:   
    Harken, 3.00 Heavy Duty Cruiser Block w/Becket , 012
    Harken, 3.00 Heavy Duty Cruiser Block w/Becket , 012
    Regular Price: $88.55
    On Sale For: $84.17 
    Part # HAR-012
    Manufacturer Part # 012
  • Description: Heavy duty single/becket
  • Sheave dia. (in): 3
  • Sheave dia. (mm): 76
  • Length (in): 6 1/4
  • Length (mm): 159
  • Weight (oz): 8 1/2
  • Weight (g): 241
  • Max. line dia. (in): 7/16
  • Max. line dia. (mm): 12
  • Shackle pin dia. (in): 1/4
  • Shackle pin dia. (mm): 6
  • Max. working load (lb): 750
  • Max. working load (kg): 340
  • Breaking load (lb): 3000
  • Breaking load (kg): 1361
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    Quantity:   
    Harken, 3.00 Hexa-Cat Base w/Adjustable Cam Cleat, 170
    Harken, 3.00 Hexa-Cat Base w/Adjustable Cam Cleat, 170
    Regular Price: $226.50
    On Sale For: $192.53 
    Part # HAR-170
    Manufacturer Part # 170
  • Description: Hexa-Cat base
  • Sheave dia. (in): 3
  • Sheave dia. (mm): 76
  • Length (in): 7 1/4
  • Length (mm): 184
  • Weight (oz): 16 1/2
  • Weight (g): 468
  • Max. line dia. (in): 7/16
  • Max. line dia. (mm): 12
  • Shackle pin dia. (in): 1/4
  • Shackle pin dia. (mm): 6
  • Breaking load (lb): 3000
  • Breaking load (kg): 1361
  • Max. working load (lb): -
  • Max. working load (kg): -
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    Quantity:   
    Harken, 3.00 Single Block , 005
    Harken, 3.00 Single Block , 005
    Regular Price: $61.65
    On Sale For: $58.61 
    Part # HAR-005
    Manufacturer Part # 005
  • Description: Single
  • Sheave dia. (in): 3
  • Sheave dia. (mm): 76
  • Length (in): 5
  • Length (mm): 127
  • Weight (oz): 7
  • Weight (g): 198
  • Max. line dia. (in): 7/16
  • Max. line dia. (mm): 12
  • Shackle pin dia. (in): 3/16
  • Shackle pin dia. (mm): 5
  • Max. working load (lb): 750
  • Max. working load (kg): 340
  • Breaking load (lb): 2500
  • Breaking load (kg): 1134
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    Quantity:   
    Harken, 3.00 Wire Racing/Cruising Block, 202
    Harken, 3.00 Wire Racing/Cruising Block, 202
    Regular Price: $93.15
    On Sale For: $79.18 
    Part # HAR-202
    Manufacturer Part # 202
  • Description: Wire single
  • Sheave dia. (in): 3
  • Sheave dia. (mm): 76
  • Length (in): 5 1/4
  • Length (mm): 133
  • Weight (oz): 9 1/2
  • Weight (g): 269
  • Max. line dia. (in): 7/16
  • Max. line dia. (mm): 12
  • Shackle pin dia. (in): 1/4
  • Shackle pin dia. (mm): 6
  • Max. working load (lb): 850
  • Max. working load (kg): 386
  • Breaking load (lb): 3000
  • Breaking load (kg): 1361
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    Quantity: