Harken 40mm Carbo Air Fiddle Block w/Swivel [2655]40mm Carbo Air Fiddle Block with Swivel Low friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic line, these small, compact blocks have very high working loads for safe, easy trimming. The 40 mm fiddle is an excellent choice for 3: 1 and 4: 1 tackles on dinghy vangs and mainsheets, as well as for controls such as cunninghams and internal boom outhauls on larger boats. Specifications:

Sailing harness with soft loops and lay-flat design

Waterproof to IP67

The indicator moves in exactly the same way as the rudder relative to the boat

Montana® Series

Plain Plated Zinc Alloy

the Premium Double Mono Rigging Kit is packaged just for you

Quick Guide (pdf)

Keeps green water and bugs from getting into the trumpet tube

and scanners

The rigid aluminum rod legs can be bent to position your device to its optimum viewing location

5" NPT Non-Displace Hull Focus Tube

Gauge Type: Tachometer - Diesel