This is a A-MB21 Bushing, Machine 1 7/8" X 2 7/8" 14 Ga. (Narrow Rim) PN: MB21Main Description As Following : A-MB21 Bushing, Machine 1 7/8" X 2 7/8" 14 Ga. (Narrow Rim) P.N: MB21 Gauge: 14Inside Diameter: 1 7/8"Outside Diameter: 2 7/8" Crossed From: BR30M , 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: 1 7/8" Outside Diameter: 2 7/8"