The G5 Cymbal Boom Arm joins 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.