OTC Tools OTC 5043 Truck Clutch Service Set. Here is an ideal companion to the OTC5015 Clutch Handler. Designed for Spicer heavy-duty clutches, the nine tools in this set help with a variety of jobs, from clutch installation and removal to flywheel drive-pin installation to clutch adjustment. Set includes: OTC5044 Self-adjust clutch rotating tool; OTC5045 Flywheel drive pin installing tool; OTC7028 Adjusting wrench; OTC7073A Clutch alignment tool; OTC7074A Clutch alignment tool; OTC213013 Pair of 3/8" flywheel to clutch guide pins; OTC213014 Pair of 7/16" flywheel to clutch guide pins; OTC213015 Hex key wrench; Plastic carrying case.