Harken 57mm Carbo Ratchamatic Triple Block /150 Cam-Matic/ 40mm Block/Becket
SKU: 16479426511

Harken 57mm Carbo Ratchamatic Triple Block /150 Cam-Matic/ 40mm Block/Becket

Sale price$186.16 Regular price$206.85
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Ships within 48 hours · Estimated delivery Jul 9 - Jul 14

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Description

Harken 57mm Carbo Ratchamatic Triple Block /150 Cam-Matic/ 40mm Block/BecketSheave 57 mm Length 156 mm Weight 520 g Shackle Pin 6 mm Maximum Line 10 mm Maximum Working Load 816 kg Breaking Load 2041 kg Holding Power 10: 1 The Carbo Ratchamatic is a load sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light air modes is seamless. Maximum working loads and breaking loads for blocks based on cam strengths

Sheave 57 mm
Length  156 mm
Weight  520 g
Shackle Pin  6 mm
Maximum Line  10 mm 
Maximum Working Load  816 kg
Breaking Load  2041 kg
Holding Power 10:1

The Carbo Ratchamatic® is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless.

Maximum working loads and breaking loads for blocks based on cam strengths

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: 16479426511

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Verified Purchase
L. Casillas
West Palm Beach, US
★★★★★ 5
Great backpack
Color: Upgrade-black, Size: 15.6 Inch
Stylish and lightweight for travel and work. Sturdy, comfortable straps. After trying about 5 different backpacks, I’m keeping this one.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
K
Verified Purchase
Kana M. Golic
West Palm Beach, US
★★★★★ 5
Stylish, light (laptop, phone, notebook & pen) +
Color: Upgrade-apricot, Size: 15.6 Inch, Color: Upgrade-apricot, Size: 15.6 Inch
Perfect for work! I use it for laptop, charger and few items necessary at work. I have a few blocks to walk from parking to work location and this bag has replaced last backpack and purse. Much easier to carry one item than two or more. Plus, it has enough room if you need to use it for clothes and toiletries (road-trip) or carry-on.
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Reviewed in the United States on February 12, 2026
B
Verified Purchase
Brigs
Birmingham, US
★★★★★ 4
Good quality
Color: Regular-light Pink, Size: 14 Inch
Good quality and value for your money. The fabric is soft and the right storage capacity for my 14” laptop!
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Reviewed in the United States on March 13, 2026
C
Verified Purchase
Carol
Charlottesville, US
★★★★★ 5
Great value
Color: Upgrade-champagne Brown, Size: 17.3 Inch
Perfect backpack for traveling. Love how it looks, the compartments are great. Easy to store for your next travels.
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Reviewed in the United States on March 8, 2026
D
Verified Purchase
Denise
Draper, US
★★★★★ 5
Comfy and supportive
Love it! Very snug and supportive. I am 5‘6“ 188 pounds. I am wearing a 34H and it fits perfect. Will definitely be adding more colors to my collection. Hopefully they add the HSIA Delia collection that are similar to these, but have printed options.
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Reviewed in the United States on May 2, 2026

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