Harken 29mm Carbo Triple Swivel Block
The 29 mm Carbo block is compact block and is extremely strong. Use a miniature Carbo as a mainsheet block on small dinghies such as the Optimist, or for low-friction control blocks on any size boat.
Doubles and triples feature U-Locks to hold the swivel in front/side position, or to let it spin freely.
The triple’s compact cam arm supports high-load purchases of 5:1 or 6:1.
The line-shedding cheek block features a small mounting footprint and drainholes. The low-profile Ti-Lite replaces headpost, shackle, and spring with high-tech line.
- Traveller controls
- Flag halyards
- Sheave: 29mm
- Length: 73mm
- Weight with shackle: 74g
- Shackle pin: 5mm
- Max line: 8mm
- Safe working load: 449kg
- Breaking strength: 907kg
All orders are shipped from our Brookvale, Sydney order fulfilment centre. Orders are normally shipped within 5 business days - most quicker!
Shipping day estimates after your order leaves our fulfilment centre in Sydney are based on Australia Post domestic delivery times:
|ACT||2 - 4 business days||1 - 2 business days|
|NSW||2 - 4 business days||1 - 2 business days|
|NT||7 - 10 business days||3 - 4 business days|
|QLD||3 - 5 business days||2 - 3 business days|
|SA||4 - 6 business days||2 - 3 business days|
|TAS||5 - 6 business days||2 - 3 business days|
|VIC||3 - 5 business days||2 - 3 business days|
|WA||6 - 9 business days||3 - 5 business days|
Last updated 11/08/2022
* These delivery times are an estimate and actual delivery times may vary based on peak periods and other external factors. Bulky orders may take longer.
Shipping rates are automatically calculated based on live quotes supplied by our shipping partners. The quote takes into consideration, the bulk of your cart, where you want it delivered and if you want express or standard shipping.
Get a shipping rate estimate by adding items to your online cart. Go to the cart by clicking on the shopping cart icon located at the top right of the page. Then enter your shipping destination information into the "Estimate Shipping and Tax" section of the shopping cart summary.
We are currently unable to deliver online orders outside of Australia.
If you are located outside of Australia and wish to place an order offline. Please contact our Mail Order department or send us an enquiry via the orange help bubble located at the bottom right of this page.
Online purchases can be returned/exchanged within 30 days. Some exclusions do apply.
Visit our Returns Policy page for details on how you can return an item.