Humbucking pickup ring set - 1 short neck ring and 1 tall bridge ring, flat bottoms, slanted, Cream plastic. The low mounting rings are for the neck position. The height tapers from 3/16" to 1/4". The tall mounting rings are for the bridge position. The height tapers from 3/8" to 7/16".

Outside dimensions 3-1/2" x 1-3/4"
Inside dimensions 2-3/4" x 1-1/2"
Bridge Taper 13/32" - 11/32"
Neck Taper 7/32" - 5/32"