MODO TL-05 Silver Color Office Desk Lamp Polished Aluminum Lights Extrusion aluminum body, super thin heavy solid stainless steel base with matching color polished aluminum cover (7 lb, less than 0.6 inch in thickness) Reflector head can rotate 360 degrees, Adjustable body tolomeo Stainless steel tension cables attached to springs hidden inside the arms provide complete constant-tension structure Solid copper screws at arms hinges provide reliable tension for years to come New toxic-free surface anodization, multi-layer buffing, and metal processing