Faster, Easier Replacement of Clutches. Align clutch plates and pilot bearings accurately. Shaft and bushings provide an accurate fit for eight pilot bearing sizes. Two turned sizes (1″ and 1 1/8″) fit 90% of the clutch plates and the tapered cone handles the rest. For faster, easier replacement or repair of clutches. Bushing Sizes: .590, .612, .624, .668, .749, .786, .808 Shaft & Bushings to fit 8 Pilot Bearing Sizes Plate Aligning Cone with 1″ and 1 1/8″ turned diameters for «automatic» fit of most clutch plates. Tapered Cone to fit all others. Comes with instructions. A product of Lisle Corporation. MADE IN USA!