2022 Ronstan Marine Catalogue - VIEW CATALOGUE

Custom Products

PHOTO CREDIT:© Najad Yachts of Sweden

B100-1215 Series 100 double block, polished st.steel cheek plates.

Product Type:


Part Number:



5600 Kg 12345 lb


11200 Kg 24691 lb


2.966 Kg 6.54 lb

Yacht Model:

12mR Class

Name: Design 434

Johan Anker


Robbe & Berking Classics


21.64m 71 Ft.

Product Features:

This series 100 double block has highly hand polished st.steel cheek plates and head pieces to match the classic look and quality of a new build classic 12mR yacht.The al.alloy sheaves fitted are silver anodised and run on plain central bearings with torlon ball bearings to handle any side thrust and ensure smooth running, suitable for up to 18mm diameter rope. All cheek fasteners have a highly hand polished finish and are recessed to provide a smooth appearance. The block has a swivel head and a 12mm shackle for attachment to the boom end for use as a mainsheet block. The 12mR yacht that this block is designed for was the final design number 434 by the famous Norwegian Johan Anker who sadly passed away in 1940 shortly after completing his final masterpiece. Due to the outbreak of war this boat was never built . Robbe & Berking are currently building this yacht for a Scandinavian owner