Consists of two strong fiberglass springs with brackets for both the mast groove and the boom. When tightening the kick pulley, the fiberglass springs bend and when loosening the pulley, the springs straighten, raising the boom.<br />- replaces the dirk<br />- easier and safer to rig<br />- the boom cannot accidentally fall<br />- improves sail trimming<br />- lightweight and maintenance-free<br /><br />Available for boats up to 12 m in length. Recommended<br />boat length 7.5 - 9 m. Length from pin to pin<br />1180 mm, max. thrust 185 kg.