HARKEN Carbo Air Fiddle Block with Swivel & Becket

HARKEN Carbo Air Fiddle Blocks with Swivel & Becket are lightweight, low-friction sailing blocks made from Carbo Air plastic construction. They are strong, reliable and compact, designed to deliver very high working loads for safe, easy trimming and control. As companions to the Harken Black Magic line, these fiddle blocks are suitable for dinghy vangs, mainsheets, cunninghams, internal boom outhauls and other control line applications. Available in multiple sheave sizes, each block features swivel and becket fittings and is intended for trimming and rigging uses where low friction and high load capacity are needed.