Ronstan 20Mm Upright Lead Block Rf20171
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

Sailtek

Ronstan 20Mm Upright Lead Block Rf20171

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

SKU: RF20171 Only 2 left
£14.45

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 Sailtek 20Mm Upright Lead Block RF20171 enhances sailing efficiency with its durable construction and reliable performance, ideal for guiding halyards and sheets smoothly. Perfect for both recreational and professional marine applications.

The Sailtek 20Mm Upright Lead Block RF20171 enhances sailing efficiency with its durable construction and reliable performance, ideal for guiding halyards and sheets smoothly. Perfect for both recreational and professional marine applications.

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
Call us now
Looking for alternatives? Browse our full range

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?
Our marine experts are here to help
0191 414 0065 Or message us on WhatsApp
Next-daydelivery
Same-daycollection
Securecheckout
Easyreturns