• Harken 29mm Carbo Air Block with Swivel, Part 340
1 1

Harken

Harken 29mm Carbo Air Block with Swivel, Part 340

Harken 29mm Carbo Air Block with Swivel, Part 340

79079

$44.97 USD
$44.97 USD
Sale Sold out
Shipping

10 in stock
  • 30-Day Returns
  • Secure Checkout
  • Free Shipping — Contiguous U.S.

Shipping & Delivery

Free standard shipping is available on all orders shipping within the Contiguous United States, with no minimum order. Alaska and Hawaii are excluded from free shipping. Orders are typically processed within 1–2 business days. See our Shipping Policy for complete terms.

Returns & Refunds

Eligible items may be returned within 30 days of delivery. Items must be new, unused, uninstalled, and in original packaging. An RMA is required.

Installment options at checkout are provided by Shop Pay and its partners and are subject to eligibility. Options depend on your purchase amount and may require a credit check by the financing partner. Terms, rates, and eligibility are determined by the financing partner. For details, see the Shop Pay Installments terms during checkout.

29mm Carbo Air Block with Swivel

Low-friction Carbo Air blocks are lightweight, strong, reliableand 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

Harken 29mm Carbo Air Block with Swivel is a compact, lightweight sailing block designed for reliable line handling and easy trimming. Part 340 features a low-friction sheave and swivel configuration that helps sailors manage control lines efficiently on dinghies, small sailboats, and other applications requiring a compact block with a strong working load.

As part of the Harken Carbo Air block line, this block combines lightweight construction with dependable strength for everyday sailing use. Its compact profile makes it practical where space and weight matter, while the swivel allows the block to align with changing line angles during trimming. It accommodates line up to 5/16 inch and supports a maximum working load of 330 pounds, making it suitable for a range of small-boat rigging and control-line applications.

Key Features:

  • Low-friction sheave: Helps provide smooth line movement for easier trimming and control-line handling.
  • Swivel configuration: Allows the block to orient with the line for flexible rigging and changing pull angles.
  • Lightweight design: Weighs just 0.9 ounces, helping reduce added weight in compact sailing systems.
  • High working load: Handles loads up to 330 pounds for dependable small-boat rigging performance.
  • Compact sailing block: Designed for applications where efficient line handling and limited installation space are important.

Product Details:

  • Brand: Harken
  • Part number: 340
  • Block type: Carbo Air block with swivel
  • Sheave: 29mm / 1-1/8 inch
  • Weight: 0.9 ounce
  • Shackle pin: 5/32 inch
  • Maximum line size: 5/16 inch
  • Maximum working load: 330 pounds
  • Breaking load: 1,000 pounds

Choose the Harken 29mm Carbo Air Block with Swivel for compact, low-friction line handling backed by clearly defined load ratings and Harken sailing hardware expertise.

SEO Meta Description: Shop the Harken 29mm Carbo Air Block with Swivel, Part 340, a lightweight low-friction sailing block rated for lines up to 5/16 inch.
Truck Freight: No
Oversized: No

View full details