Allen 40mm Dynamic Fiddle Block/Becket with Swivel And A..77 Cleat Boat Finn 7 1620 About control lines:

7 1620 About control lines: Spectwelve is not for your hands

and Conical High-Frequency CHIRP

Includes Metallic Inserts for Gas

9" (mm) 150 mm

Upgrade your sailing experience with our Standard 6:1 Spliced Cunningham

Allen 40mm Dynamic Fiddle Block/Becket with Swivel And A..77 Cleat Boat Finn 7 1620 About control lines:40mm Dynamic Single Swivel Block with Becket and Fiddle. New for 2023. Made from high strength, lightweight glass loaded nylon and featuring Allens dynamic bearing technology for a high performance block suitable for keelboats and dinghies. 40mm dynamic blocks are perfect for use on main, jib and spinnaker sheets on dinghies and keelboat control lines. Bearings Dynamic blocks feature our patented bearing system which uses twin rows of stainless steel