Double Block, Loop Head
Double Block, Loop Head

Double Block, Loop Head

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The 16mm AirBlocks are HarkenÆs smallest block. Perfect for small synthetic control lines found on high-tech dinghies. The patented bearing system uses stainless steel balls in a captive grooved race and has a 113kg safe working load. Headstrap spreads load making them a compact, tough block. Hardened stainless steel inner race for maximum strength to-weight ratio. High-strength stainless steel side plates distribute load evenly, and resist corrosion. Max. line diam. 5mm.

After ordering online, you will receive an automated email confirmation containing your order details. Your order will then be confirmed within a few minutes of placing your order.

It is our policy to ensure we deliver to our customers in a timely manner. In order to achieve this we use a range of freight companies depending on the size and weight of your order. In some instances we may use a number of carriers to get your products to you. For example, chain may come by road, some electronic equipment by air.


Most orders are shipped within 2 - 5 Days

Shipping rates

Orders delivered to Australian Post Codes attract an $18.00 Flat Rate Shipping Charge* This excludes Bulky or Dangerous Goods


For Bulky Goods, Dangerous Goods and Remote areas.

If the cost to send is vastly different to our standard delivery costs, someone from our team will contact you prior to dispatch to arrange further payment or to issue a refund if you are not happy with the additional charges.

International orders will be charged at $0.00 initially and our staff will be in contact with a shipping quote. If the quote is not accepted the customer reserves the right to cancel their order and be refunded in full.

Should you have any queries or concerns about shipping, please don't hesitate to get in touch by clicking the support button on bottom right of the page.

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