Lewmar Winschen- 48000019 maintenance kit and 19700200für Ocean ST 30 - ST 48 and EVO 30 - 50. lewmar service kits consist of the most common winch parts, which are subject to wear, such as: Collets, latches, pawl springs, O-rings, bushings and securing ring . (See Figure) This set also replaces the Lewmar- set: 19700200