Pinion housing shim for Marvel 8 and Marvel 8MKI bandsaws with non-adjustable lower bandwheels. Used to create perfect gear lash adjustment between the bevel gear (pinion) and the lower bandwheel. Available in the following sizes: .015" (8-1031A), .010" (8-1031B) .005" (8-3013C) and .003" (8-1031D)