Gretsch Drums Cymbal Boom Arm Includes 7/8" TubeThe G5 Cymbal Boom Arm is a welcome addition to the full assortment of Gretsch hardware and accessories. The 7 8" diameter cymbal boom with disappearing 1 2" solid, knurled boom arm works seamlessly with Renown and Catalina single or double tom holders (GS1 THSL or GS1 THDL). The arm extends more than 12" when used in the boom position and can accommodate a variety of cymbal diameters. Features include an isolating rubber toothless cymbal tilter,