Harken 2158 18mm FLY Double Carbo T2 Block
SKU: 51664533447

Harken 2158 18mm FLY Double Carbo T2 Block

Sale price$49.85 Regular price$55.39
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Harken 2158 18mm FLY Double Carbo T2 BlockHarken soft attach Fly blocks are designed to provide strength without mass, providing sailors with big power in a low aero package. Designed specifically for high tech line, these efficient blocks have an incredible working load for their small size. Fly blocks are perfect for use on dinghies and sportsboats and for kicker cascades and backstay systems on Grand Prix racers. 18mm blocks feature and integrated stainless steel inner race and rivet,

Harken soft-attach Fly blocks are designed to provide strength without mass, providing sailors with big power in a low-aero package. Designed specifically for high-tech line, these efficient blocks have an incredible working load for their small size. Fly blocks are perfect for use on dinghies and sportsboats and for kicker cascades and backstay systems on Grand-Prix racers.

18mm blocks feature and integrated stainless steel inner race and rivet, stainless steel ball bearings, and composite fibre-reinforced side plates,

A length of Spectra line with a polyester cover is included. Please download the Harken manual for correct use of this product and its application HERE

Block properties

Sheave diameter 18 mm
Length 28 mm
Weight/span> 7.2 kg
Max. line dia. 5 mm
Max. Working load 204 kg
Breaking load 608 kg
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 51664533447

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.6 ★★★★★
Based on 2047 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
S
Verified Purchase
Susan Vergnani
Massapequa, US
★★★★★ 5
Comfortable folding mattress
Color: Grey, Size: Twin
Thickness is great, very comfortable. Adult grandson uses it when he sleeps over. Would recommend it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 8, 2026
S
Verified Purchase
Seeker
Dallas, US
★★★★★ 5
More Comfortable than an Airbed
Color: light gray, Size: cot
I purchased this 4-inch foam floor mattress for when grandchildren stay over. This is my 2nd one, since zi have 2 grandchildren. I don't have room for beds or bunk beds, but I have a space where I can store these. I slept on it myself several nights in a row when I had company and I found it to be much better than sleeping on an air bed. I purchased mattress covers and fitted sheets that fit the exact dimensions of the mattress and I am happy to be able to provide a perfect sleeping setup for my 2 grandchildren! If you have a place to store the mattress when it's folded (25 inches high, 31 inches wide, 12 inches deep) I recommend a 4-inch thick foam floor mattress over an air bed. In my home it is the perfect solution! Follow all the directions for allowing the mattress to reach its full thickness. It is vacuum packed and needs several hours (almost 2 days) to expand.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 17, 2026
S
Verified Purchase
Susan Barnes
Fort Morgan, US
★★★★★ 1
Blow up beds are better
Color: Grey, Size: Queen
Blow up beds are better. These are barely thicker than a sleeping bag.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 9, 2025
R
Verified Purchase
Richard Holman
West Palm Beach, US
★★★★★ 5
Comfortable
Color: Grey, Size: Single
Wife uses it every day and loves it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 17, 2026
J
Verified Purchase
Jenniffer
New York, US
★★★★★ 5
Cómodo
Color: Grey, Size: Single
Versatil y cómodo, me gusta que trae su bolsa para guardar.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 29, 2026

recommand products