Internal plastic frame from model M keyboard. Item in very good, used condition.
Includes drainage channels.
Includes plastic stabilizers for 5 larger horizontal and 2 vertical keys.
Compatible with 52G9658, 82G2383, 1993-1995 1391401 keyboards and other model M keyboards which have drainage holes in bottom case.
Not drop-in or directly compatible with 1390120, 1390131, 1987-1992 1391401 cases that do not have drainage holes in bottom case, but this barrel frame can be made to work if one is willing to cut off the excess plastic tabs.