The Clutch Alignment Tool Set, No. 2420, from OTC Toolscomes with a shaft and eight adapters to create 16 unique alignment aid sizes. The set works on most foreign and domestic passenger cars and trucks. The set includes a clutch plate aligning cone with a 1-1/8" maximum diameter taper. Tapered cone pilot bearing adapters fit into a clutch hole to properly align a clutch plate. This set is designed to help properly align single-use disc clutches.