Boat Parts & Marine Supplies from Brands you trust

A deep online selections of quality marine products

Priced competitively and shipped reliably

Marine Supplies & Boat Parts for Every Kind of Boater

Shop over 20,000 trusted marine products

Harken  |  SKU: YBS-79736

Harken 40mm Carbo Air Triple Swivel Block [2640]

$143.95 $163.20
Shipping calculated at checkout.


Care information

Display general product information or specific product information using metafields.

Delivery and Shipping

Add some general information about your delivery and shipping policies.

Add a stand out message for your customers

40mm Carbo Air Triple Swivel Block

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 Ø (mm)40 mm
  • Sheave Ø (in)1 9/16 in
  • Maximum line Ø (mm)10 mm
  • Maximum line Ø (in)3/8 in
  • Maximum working load (kg)660 kg
  • Maximum working load (lb)1455 lb

Quick Guide (pdf)

Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Product features

Use this section to highlight specific product features to your customers.

Harken 40mm Carbo Air Triple Swivel Block [2640]