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HARKEN

29mm Carbo AirBlocks®

29mm Sheave Diameter Block, Single/Swivel Style, 330lb. SWL

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Description WM Model# MFG Part# Price Availability QTY
29mm Sheave Diameter Block, Single/Swivel Style, 330lb. SWL 2042158 340 Only $17.77 USD In Stock
29mm Sheave Diameter Block, Single/Swivel/Becket Style, 330lb. SWL 2042190 341 Only $19.89 USD In Stock
29mm Sheave Diameter Block, Double/Swivel Style, 660lb. SWL 2042216 342 Only $31.32 USD In Stock
29mm Sheave Diameter Block, Double/Swivel/Becket Style, 660lb. SWL 2042232 343 Only $34.00 USD In Stock
29mm Sheave Diameter Block, Triple/Swivel Style, 990lb. SWL 2042240 344 Only $41.14 USD Hot Seller. Temporarily out-of-stock. Order Now!
29mm Sheave Diameter Block, Triple/Swivel/Becket Style, 990lb. SWL 2042257 345 Only $43.78 USD In Stock
29mm Sheave Diameter Block, Triple/Cam/Becket Style, 990lb. SWL 2042281 347 Only $74.80 USD In Stock
29mm Sheave Diameter Block, Single/Fixed Style, 330lb. SWL 2042315 348 Only $10.20 USD Hot Seller. Temporarily out-of-stock. Order Now!
29mm Sheave Diameter Block, Standup/Fixed Style, 330lb. SWL 2042323 349 Only $15.90 USD Hot Seller. Temporarily out-of-stock. Order Now!
29mm Sheave Diameter Block, Cheek Style, 330lb. SWL 2042331 350 Only $10.92 USD In Stock
29mm Sheave Diameter Block, Ti-Lite Style, 330lb. SWL 2042349 351 Only $16.28 USD Hot Seller. Temporarily out-of-stock. Order Now!
29mm Sheave Diameter Block, 90° Fixed-Head Style, 330lb. SWL 2639763 352 Only $13.73 USD In Stock
29mm Sheave Diameter Block, Traveler (two 348s) Style, 330lb. SWL 5400023 353 Only $21.93 USD In Stock
29mm Carbo Clew Block Assembly 6577704 371 Only $21.72 USD In Stock
29mm Sheave Diameter Block, Double/Fixed Style, 660lb. SWL 5367156 381 Only $26.56 USD Usually ships within 5 to 8 days
 

Over of 29mm Sheave Diameter Block, Single/Swivel Style, 330lb. SWL  

Overview of 29mm Sheave Diameter Block, Single/Swivel Style, 330lb. SWL.

From the folks who invented ball bearing blocks, this line of blocks boasts an excellent strength-to-weight ratio. The plastic in their sideplates, sheaves and balls makes them 30% lighter, 60% stronger and generally less expensive than equivalent conventional blocks.

The tiny 29mm block is extremely strong. 29mm doubles and triples feature a U-lock to hold the swivel in the front or side position, or allow it to spin freely. Use the 29mm Carbos as mainsheet blocks on dinghies, or for low-friction applications on any size boat.

Use the 40mm blocks for jib and mainsheet systems on high-performance dinghies, and for high-load control lines on small keelboats. The 40mm blocks handle loads similar to Harken’s 2.25" blocks.

The 57mm blocks have an enormous working range that makes them ideal for main and jib sheets, spinnaker halyards and control lines. This range handles loads similar to Harken’s 3" standard blocks.

The 75mm Carbo Blocks are the only all-plastic blocks with a safe working load over 1,200lb. Because of their large-diameter sheaves and fitted ball races, they release easily under load and keep weight to a minimum. Perfect for mainsheet systems on racing boats and cruisers looking for better performance at a reasonable price. The 75mm single block weighs in at a remarkable 6.9oz. including the shackle, and the double and triple blocks aren’t much more, giving an extremely high strength-to-weight ratio.

  • Harken's most innovative blocks: Recipient of both the Dame Award and Sail Magazine's Freeman-Pittman Award for innovation
  • 30% lighter, 60% stronger than equivalent conventional blocks
  • Larger blocks have an enormous working range
  • Smaller blocks are excellent for jib and mainsheet systems on high-performance dinghies and high-load control lines on small keelboats
  • Sheave: Long-glass reinforced engineered nylon
  • Ball Bearings: Engineered plastic in fitted ball races
  • Sheave Size: 1-1/8" (29mm); 1-9/16" (40mm); 2-1/4" (57mm); 2-15/16" (75mm)
  • Line Diameter: 5/16" (29mm); 3/8" (40mm); 7/16" (57mm); 9/16" (75mm)
  • Cheek Material/Finish: Long-glass reinforced engineered nylon
  • Shackle Strap Type: Stainless swivel shackle
Top Sellers
Exit Box Style, 7/8" Sheave Dia., 1/8" Max. Line, 350lb. SWL, 1.1oz. from RONSTAN
29mm Carbo Clew Block Assembly from HARKEN
Series 60 Orbit Block, Single Light-Load, 2-3/8" Sheave Size, 1,710lb. SWL, 4.7oz. from RONSTAN
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29mm Sheave Diameter Block, Single/Swivel Style, 330lb. SWL
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29mm Sheave Diameter Block, Single/Swivel Style, 330lb. SWL
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