Description:10 Pieces high quality Brass Air VentsThis is a 1/2" vents that can be used on snare drums, tom or bass drumsOverall length is 17mm/ 0

67inch with the threaded shaft being 13mm/ 0

51 long

Required hole diameter for drum shell wall - 12

5mm/ 0

49inchVent hole diameter - 9mm/ 0

35inchPackage Includes:10 Pieces Drum Air VentsNote:Please allow slightly measuring deviation due to manual measurement