SKU: H81ETQYA9W |  Mfg. Part: 3405  | UPC: 097653296706  | 
 1 Reviews
 |     Share

Harken 3405 1 Ton Adjustable Twing Block

4 Available / 2 Sold
Condition: New

$193.60  $261.36
Harken HARKEN
Free Shipping for this Item

1 Ton Adjustable Twing Block

This innovative Twing block is designed with a spring-loaded side opening mechanism, allowing for true one-handed rigging even while wearing sailing gloves. The black anodized aluminum sideplates are equipped with robust bumpers that safeguard both the block and your deck. Its aluminum sheave operates on a high-efficiency bearing system, offering consistent performance akin to Harken's renowned 2.3T high-load snatch block.

Ideal for:

  • Twing control when using code zero sheets.
  • Serving as a snatch block when paired with a soft shackle.
  • Controlling spinnaker sheets and guys.

Specifications:

  • Sheave Diameter: 38.5 mm (1-1/2 in)
  • Maximum Line Diameter: 11 mm (0.43 in)
  • Maximum Working Load: 1000 kg (2205 lb)
  • Breaking Load: 2000 kg (4409 lb)

  • Spring loaded side opening for easy rigging and removal.
  • Quick-release button for efficient one-handed operation.
  • Anti-capsize bar maintains sheave alignment.
  • ULC main bearing for smooth sheave turning under load.
  • Sideload balls enable load handling even when misaligned.
  • Versatile thimble at pivot base for 1:1 or 2:1 control.
  • Lightweight machined aluminum inner sideplates for durability.
  • Soft outer bumpers to protect the block and deck.
  • Manufacturer:
  • Model Number:
  • ASIN:
  • Condition:
  • Weight:
  • Dimensions:
  • Updated:
  • Added:
  • Country of Origin:
  • Harken
  • 3405
  • B0D7RR25K6
  • New
  • 0.35 lbs
  • 5 X 2 X 4
  • Today - Dec 05, 2025
  • Jun 12, 2024
  • UNITED STATES

Request For Quote


Harken 3405 1 Ton Adjustable Twing Block

Leave Review

Top Brands We Work With