Ronstan Series 50 Block - Fiddle Block - Becket - Adjustable Cleat - Universal Head RF51530

SKU: RF51530
$149.90 $158.81


Fiddle Block, Becket, Adjustable Cleat, Universal Head

Curved base adapter for cheek block facilities mounting on masts or booms

Fiddle blocks are ideal for fine tune mainsheet tackles, Cunningham's, boom vang , backstays and other control line purchase systems

 Captive lock universal head can be fixed at 0 or 90 degrees or left free to swivel 360 degrees.

Quick adjusting cleat arms require no tools to adjust and fix the required position

Snap shackle adaptors suit single and fiddle blocks and are available in standard and trunnion versions

Grade 316 stainless steel bearing race, load straps and head fittings

Sheave Ø 54 + 34 mm
Max. Rope Ø 10 mm
Max. Cable Ø - mm
Pin Ø 5.0 mm
M.W.L. 750 kg
B. L. 1500 kg
Weight 318 g
Shipping and returns

Shipping and customer service

We use Australia Post Eparcel for shipping if goods within Australia. If you would like to use an alternative shipping method please Contact Us and we can discuss alternatives.

When you contact us, a real person will call you back! This is what separates us from our competitors. We are a real store on QLD's Gold Coast with over 30 years experience in boating and Customer care.

Returns policy

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can contact us at If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

You can always contact us for any return question at

Have a question
Postal Address:

PO Box 138, Main Beach QLD 4217

Street Address:

Southport Yacht Club, Macarthur Parade, Main Beach QLD 4217

Trading Hours

Monday - Friday - 7.30am – 5pm
Saturday - 8am to 4pm
Sunday - 8am to 12noon


(07) 55 911 911 | Fax (07) 55 916 147


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