Harken FlatWinder 500 Powered Block - 24-Volt Electric Wichard 63/64" (25mm) Ball Bearing Blocks Minimal friction across the working

Minimal friction across the working load range

Palm: 60% Nylon / 40% Polyurethane

E - 7/8" (22mm)

in 1/2" increments 1000 lbs

Ronstan Stanchion Block

Harken FlatWinder 500 Powered Block - 24-Volt Electric Wichard 63/64" (25mm) Ball Bearing Blocks Minimal friction across the workingProduct Description Harken FlatWinder 500 Powered Block 24 Volt Electric The Harken FlatWinder powered block is a self contained, low profile electrically powered system for mainsheet traveler adjustment. This powerful block is easy to use and offers sailors huge benefits in mainsail control, giving them the means to quickly depower the rig, and delay reefing when the wind picks up. Like a compact captive winch for the traveler, the FlatWinder is