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Ronstan Series 50 AP Block, Double

Note: Some prices may reflect updates due to international tariffs. Learn the latest about tariffs

Tariff Updates

We are observing how the tariffs are behaving. Lots of our products are imported from Europe and some of the manufacturers are not providing heads up about price increases. We will do everything in our power to hold the best prices, but please consider that in these uncertain times we may be forced to increase the prices without previous notification.

We really appreciate your understanding and look forward to working with you.

What does this mean for you?

  • Some imported products may show a higher price than usual.
  • Prices may change as shipping rates adjust globally.
  • We are committed to providing the best possible pricing and transparency at all times.

How we’re handling it:

  • We only adjust prices when absolutely necessary.
  • We continuously monitor shipping rates and update pricing accordingly.
  • We’ll clearly notify you if a product is affected by tariffs.

Questions? Feel free to contact our team for any clarification or assistance.

Updated: April 2025

MSRP: $86.36
$73.41
(You save $12.95 )
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SKU:
RONRF51200
UPC:
9316800241231
Availability:
Y
Weight:
0.50 LBS
Shipping:
Calculated at Checkout.
Size:
50 mm
Manufacturer part #: RF51200 1

Technical Description
Series AP Double Universal Head Block
2 in
50 mm
1/2 in
12 mm
1/4 in
6 mm
2200 lb
1000 kg
4410 lb
2000 kg
9 oz
255 g
Manufacturer part #: RF51200Ronstan Series 50 All Purpose Blocks

  • Exceptionally high working loads
  • Low maintenance, long service life
  • Self-lubricating sheave
  • Slotted pin shackle eliminates fouled lines
  • Lockable swivelling head post

  • All purpose (AP) blocks are a great all around solution. Self-lubricating Acetal polymer sheaves running on polished stainless steel races perform equally well with dynamic loads and high static loads. For durability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.

    Head can be locked at 0° or 90° by engaging the grub screw in either the 0 or 90 degree position.

    Applications
  • Mainsheet and halyard applications, vang and spinnaker control lines on boats to 10 m (33 ft)

  • Materials
  • Grade 316 stainless steel load strap
  • Impact and UV resistant, fibre reinforced Nylon cheeks