Sea Sure 25mm Double Block With Shackle
Next-day UK delivery available
Order before 3pm — from £3.95
Same-day collection
Available from our North Shields store
Free returns within 30 days
Unused & original packaging

Sea Sure

Sea Sure 25mm Double Block With Shackle

Professional-grade marine product — trusted by boaters across the UK.

SKU: 0.21 Only 2 left
£20.45

Tax included. View shipping policy

Next-day UK delivery available — order before 3pm
Same-day collection from our North Shields store
Expert advice — call 0191 414 0065
Ask us a question 0191 414 0065

Klarna & PayPal available at checkout

The Sea Sure 25mm Double Block with Shackle offers robust durability and smooth performance for sailing applications, ensuring easy rigging and optimal load handling in harsh marine conditions.

The Sea Sure 25mm Double Block with Shackle offers robust durability and smooth performance for sailing applications, ensuring easy rigging and optimal load handling in harsh marine conditions.

Next-day UK delivery
Available on most items — order before 3pm. From £3.95.
Same-day collection — North Shields
Order online or call ahead — collect from our North Shields store today.
Free delivery over £100
Free standard delivery on all qualifying orders to UK mainland addresses.
Returns — 30 days
Unused, original packaging. Full returns policy →
Not sure which product you need? Call our team on 0191 414 0065
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Why buy from Marine Chandlery?

  • UK marine specialists, based in North Shields
  • Next-day UK delivery available
  • Same-day collection from our store
  • Expert advice before and after purchase
  • Carefully selected marine-grade products
  • Secure checkout & trusted payment options
Need help choosing?
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