This is a A-MB12 Bushing, Machine 1 1/8" X 1 3/4" 14 Ga. (Narrow Rim) PN: MB12Main Description As Following : A-MB12 Bushing, Machine 1 1/8" X 1 3/4" 14 Ga. (Narrow Rim) P.N: MB12 Gauge: 14Inside Diameter: 1 1/8"Outside Diameter: 1 3/4" Crossed From: BR18M , 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 1/8" Outside Diameter: 1 3/4"