This is a A-MB24 Bushing, Machine 2 1/4" X 3 1/4" 14 Ga. (Narrow Rim) PN: MB24Main Description As Following : A-MB24 Bushing, Machine 2 1/4" X 3 1/4" 14 Ga. (Narrow Rim) P.N: MB24 Gauge: 14Inside Diameter: 2 1/4"Outside Diameter: 3 1/4" Crossed From: BR38M , Found in Section & Models : Shop Supply > Machinery Bushings, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : Gauge: 14 Inside Diameter: 2 1/4" Outside Diameter: 3 1/4"