The Gibraltar SC-EA250 Extension Arm is a handy piece hardware for stands and drum racks. Extendable from 9" (22.8 cm) to 14.5" (36.8 cm), the arm features 360° rotating SuperGrabberClamps at both ends. These heavy duty clamps hold tight with their large bearing surface and strong construction. A memorylock to secure the length of the arm is also included. Ideal for example to connect stands and / or racks together or to support against each other.