Ingersoll Rand Drum Mount Our rubber Ingersoll Rand drum mount or sandwich mounts are made from a high-quality rubber vulcanized to a steel plate; we stock a wide range of isolator buffers to suit most rollers. Complete your rubber buffer with a bolt kit to suit that roller you are replacing the drum mounts on. Ingersoll Rand Part Number 50265511 50272434 To Suit Ingersoll Rand SP54 SP42