Harken 50 Self-Tailing Radial Chrome Winch 2 Speed. The self-tailing mechanism on the winch means that one crew member can quickly and easily trim or raise sails. Specifications for Harken 50 Self-Tailing Radial Chrome Winch - 2 Speed: Manufacturer: Harken Color: Silver Fabric/Material: Chrome Height: 8.31 in Weight: 20.3 lb Package Contents: Harken 50 Self-Tailing Radial Chrome Winch - 2 Speed Harken 50.2STC: 50 Self-Tailing Radial Chrome Winch 2 Speed