Harken TR31 Trolley Seat Harnesses Doughty Engineering is a globally

Doughty Engineering is a globally recognized UK manufacturer of rigging

Comfortable and quick-donning fall-arrest harness

With CORDURA®-reinforced knees

Can be installed in the middle of ladder or off to one side for maximum access at top of ladder

Harken TR31 Trolley Seat Harnesses Doughty Engineering is a globallyHarken TR31 Trolley The Harken TR31 Trolley is a key part of the Tight Radius rail and trolley system. It's a strong and reliable trolley that moves securely along the rail, keeping you safe when you're working up high or transferring between boats. Designed to be tough and dependable, the TR31 Trolley has been tested and can handle weights up to 1200 kg (2645 lb). This toughness ensures it lasts a long time and keeps you safe, even in tough jobs. The