Harken 40mm Twing Block [2699] Marine Navigation & Instruments Sport or WindTrak 15 vane

Sport or WindTrak 15 vane away from masthead obstructions and turbulence

dB(A) rating 121 at one meter

Dimensions: 14 x 10 x 6 inches

We say "No Faster Prop on the Water" for a reason

Harken 40mm Twing Block [2699] Marine Navigation & Instruments Sport or WindTrak 15 vane40mm Twing Block Low friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming. Features: Opening side plate Easy to rig and remove from sheet Spring biased to open when unlatched One handed operation Roller at pivot base Use 1: 1 or 2: 1 up down control Carbo Air block construction High strength for