Gretsch GS1-4950 Round Badge bass drum tom holder mounting bracket used on the current Catalina and Renown series drums. Includes all gaskets and mounting screws. Hole spacing is 3-1/4" x 2-1/4" - the same that is used on the classic G4945 Techware bracket and it will retrofit older drums as well as the current GS4945 and G4946 mounts. Memory lock is sold separately.