Harken 29/18mm Zircon Twisted Fiddle - Middle Unit All-Boat-Stuff Sheave diameter: 40mm

Sheave diameter: 40mm

Weight with Shackle: 90g

Fully ILCA Class Legal

1x19 hard eye to hard eye wire OR a version with a clamcleat CL253 fitted (extra cost) to the lower hard eye pre-fitted to making the lower hard eye - see below typical photo of this clamcleat CL253 fitting

Harken 29/18mm Zircon Twisted Fiddle - Middle Unit All-Boat-Stuff Sheave diameter: 40mmILCA Vang Twisted Fiddle Block, the Twiddle, with 45 Degree Twist to Reduce Friction. Expanding on the popular Zircon block range that has become a favorite among ILCA sailors for control systems, the new Harken twisted fiddle, know as the twiddle block, is the ideal middle block in an ILCA vang system. Its slim shape slides easily among the purchase system, remaining upright while traditional block blocks tip, twist, or tangle. The 45 degree twist