2022 Ronstan Marine Catalogue - VIEW CATALOGUE

Custom Products

PHOTO CREDIT:© Najad Yachts of Sweden

B125-0472 Series 125 High load upright lead block

Product Type:


Part Number:



5000 kg (11023 lb)


10000 kg (22046 lb)

Yacht Model:

Volvo 70

Name: Movistar

Bruce Farr


Boat Speed


21.4 m (70 ft.)

Product Features:

This fixed stirrup high load halyard block has been designed for offshore racing yachts such as the Volvo 70.The block is attached to the deck around the mast to deflect primary halyards aft. A plain bearing sheave with torlon side thrust bearings is used in order to cope with the high static loads that such a block will have to handle. The sheave diameter of this block is 125mm ,and fastening holes in the stirrup base are provided for 3x M12 CSK screws and 1x M10 CSK screw