Ronstan designs and manufactures world-class blocks and pulleys for all types of sailing. The comprehensive range allows customers to choose sheave material, bearing style, and configuration, with sizes to suit anything from a small dinghy to a Maxi yacht.
Series 40 All-Purpose Triple Block with Becket and 2-Axis Head. Ronstan's 40mm plain bearing blocks are strong and compact. Head post free swivels for correct load and sheet alignment. For dinghies and keelboats up to 26'. 1 9/16" (40mm) sheave is made from UV-stabilized acetal and accepts a line size of 7/16" (11mm). Cheek is made from stainless steel and fiber-reinforced textured nylon.
