Gibraltar Mounting Arm for Electronic Drum Module Mounting Arm for Electronic Drum Module This mounting arm is an accessory for the Electronic Drum Module (SC-EMARM) and attaches to a cymbal stand or hi-hat stand tube allowing you to mount your module right off the stand Mounting arm has two 360-degree grabber sections with an 18-inch rod in the middle This mounting arm is an accessory for the Electronic Drum Module (SC-EMARM) and attaches to a cymbal stand or hi-hat stand tube allowing you to mount your module right off the stand Mounting arm has two 360-degree grabber sections with an 18-inch rod in the middle