A Multi Use Universal Mount for Tom L Arms, Floor Tom Legs, Gull Wing Style Spurs or Shell Mounted Cymbal Holder Mount that will get the job done. The opening is adjustable for 9.5mm, 10.5mm, 12mm or 12.7mm diameter L Arms, Floor Tom Legs, Spurs or Cymbal Holders. The hole spacing is 35mm or 1.37" or 1 3/8" OC. Comes complete with mounting screws and gasket.