1.5in Shaft S90S021-XXXS90S021-XXX Size: 1.50″ Compatible With: Air Bushings, English S303801 – 1.50″ I.D. Compatible With: End Mounts S8038E01 – 1.50″ Diameter Specifications Units: US METRIC Title Specifications SKU S90S021-XXXS90S021-XXX