<p><b>Description:</b></p><p>10 Pieces high quality Brass Air Vents</p><p>This is a 1/2" vents that can be used on snare drums, tom or bass drums</p><p>Overall length is 17mm/ 0.67inch with the threaded shaft being 13mm/ 0.51 long.</p><p>Required hole diameter for drum shell wall - 12.5mm/ 0.49inch</p><p>Vent hole diameter - 9mm/ 0.35inch</p><p><b>Package Includes:</b></p><p>10 Pieces Drum Air Vents</p><p><b>Note:</b></p><p>Please allow slightly measuring deviation due to manual measurement.</p><p><span style="font-size: 16px;"></span></p><p><span style="font-size: 16px;"></span></p><p><span style="font-size: 16px;"></span></p><p><span style="font-size: 16px;"></span></p><p><span style="font-size: 16px;"></span></p><p><span style="font-size: 16px;"></span></p>