UNIFIBER RACE ADJUSTABLE OUTHAUL SYSTEM CL115/CL244An adjustable outhaul system that allows you to fine tune your sail on the fly. Ideal for windsurfers who take part in a competition, or for those who want increased range from their sails. By adding or decreasing the draft, you can depower or power up your sail as the conditions demand. PROS Light to operate When possible use in combination with Unifiber Outhaul Pulley Clamp to fit boom circumference 113 116mm excluding 1mm rubber patches. Boom tube