Humbucking pickup ring set - Neck and Bridge, flat bottom, slanted, Black plastic. Outside dimensions - 3-17/32 Inch x 1-25/32 Inch, Inside dimensions - 2-3/4 Inch x 1-1/2 Inch. The low mounting rings are for the neck position. The height tapers from 3/16 Inch to 1/4 Inch. T