Paslode Part # 219235 - F-350S Powermaster Plus Tune-Up Kit (complete with O-rings) Details: Repair and tune up kit for Paslode PowerMaster Plus F-350S Pneumatic Framing Nailer. Kit Contains: O-rings, cap gasket,lubricant,seal, and spring. Illustrated, easy to follow instructions included. Repairs cap air leaks, lack of power, skipping, sluggishness.