Harken 1 Ton Twing Block [3405] Brand_Cannon The sensing chamber contains an

The sensing chamber contains an optical sensor that measures back-scattered light as well as the more usual forward-scattered light

User-programmable keys allow quick access to most-used configurations

bunk adjusters

Detachment Pull Sensor with 25' Lead

Harken 1 Ton Twing Block [3405] Brand_Cannon The sensing chamber contains an1 Ton Twing Block The Twing block features a spring loaded side opening mechanism for true one handed rigging, even while wearing sailing gloves. Black anodized aluminum sideplates are edged with robust bumpers to protect the block, topsides, and deck. The sheave is aluminum rolling on a bearing system shared with Harken's existing 2. 3T high load snatch block. Features: Side opening side plate Easy to rig and remove from sheet Spring loaded button