Showtec Powerbox Clamp, Clamp SetThe Showtec PowerBOX Clamp / Bracket is an optional accessory for attaching the PowerBOX range of products to a single pipe or truss system with a pipe diameter of 49 - 51 mm@+@+, Easy to attach to the fastening tunnels on the ground, Scope of delivery: 1 pair@+*Note:* 2 Brackets per PowerBOX are required.