340 - Harken 29mm Carbo Air Block w/Swivel | Aztek Computers
29+Years
SKU: UQYLPPOP1J |  Mfg. Part: 340  | UPC: 097653100164  | 
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340 - Harken 29mm Carbo Air Block w/Swivel

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$32.86  $44.36
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Product Overview

29mm Carbo Air Block with Swivel

Low-friction Carbo Air blocks are lightweight, strong, reliable—and affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming.


Specifications:

  • Sheave: 29mm / 1-1/8in
  • Length: 66mm / 2-5/8in
  • Weight: 26g / .9oz
  • Shackle pin: 4mm / 5/32in
  • Maximum line: 8mm / 5/16in
  • Maximum working load: 150kg / 330lb
  • Breaking load: 454kg / 1000lb

Expert Overview

The Harken 29mm Carbo Air Block with Swivel, part number 340, is a low-friction block designed for applications requiring efficient line management. This component is suitable for IT hardware resellers or businesses involved in specialized rigging, automation, or material handling systems where compact, high-strength blocks are necessary. It features a 29mm sheave and a swivel mechanism, providing flexibility in line routing. With a maximum working load of 150kg (330lb) and a breaking load of 454kg (1000lb), it offers reliable performance for tasks involving moderate to heavy loads. The block accommodates lines up to 8mm (5/16in) and has a shackle pin of 4mm (5/32in). Its lightweight design, at 26g (.9oz), combined with a length of 66mm (2-5/8in), makes it suitable for integration into systems where space and weight are considerations. This product addresses the need for durable and efficient mechanical advantage in various operational setups.

Product Details

  • Manufacturer:
  • Model Number:
  • ASIN:
  • UPC:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
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  • Country of Origin:
  • Harken
  • 340
  • B07JBPWVM1
  • 097653100164
  • New
  • 0.1 lbs
  • 4 X 1 X 2
  • Aug 14, 2026
  • Apr 30, 2021
  • UNITED STATES
Product Identifiers: Brand: Harken • Part #: 340 • UPC: 097653100164 • ASIN: B07JBPWVM1

Frequently Asked Questions

What is the maximum line diameter this block can accommodate?

The Harken 29mm Carbo Air Block with Swivel is designed to accept a maximum line diameter of 8mm (5/16in).

What is the maximum working load capacity of this block?

This block has a maximum working load of 150kg (330lb), suitable for various load-bearing applications.

What are the key dimensions of the Harken 29mm Carbo Air Block?

The block features a 29mm (1-1/8in) sheave, a total length of 66mm (2-5/8in), and weighs 26g (.9oz). The shackle pin is 4mm (5/32in).

What is the primary function of the swivel feature on this block?

The integrated swivel allows the block to rotate, providing flexibility in line orientation and reducing twisting, which can be beneficial in dynamic rigging or routing applications.

340 - Harken 29mm Carbo Air Block w/Swivel

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