This is a A-MB26 Bushing, Machine 2 1/2" X 3 1/2" 14 Ga. (Narrow Rim) PN: MB26Main Description As Following : A-MB26 Bushing, Machine 2 1/2" X 3 1/2" 14 Ga. (Narrow Rim) P.N: MB26 Gauge: 14Inside Diameter: 2 1/2"Outside Diameter: 3 1/2" Crossed From: BR40M , 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 1/2" Outside Diameter: 3 1/2"