Move Wall HookUse with Move or Move 2. The sleek design integrates seamlessly with the built in handle of the speaker and maintains a low profile when not in use. Use the included hardware to install on a variety of surfaces, including wood stud, drywall, and concrete. Drill may be required. Rust resistant aluminum base and silicone cover holds up when exposed to the elements. Diameter: 1. 18 in (30 mm) Weight: 0. 33 lb (0. 15 kg)