Regarded by professional jewelers as the best bench lamps in the world, the Classic 2 and 3 Tube Floating Arm Fluorescents include 15 watt daylight bulbs that provide abundant light over a large work area. Master jewelers love them for the quality of light they provide for grading gems and creating jewelry while artists and writers appreciate their true color rendering capabilities and effectiveness in reducing eye strain. The Dazor Floating arm technology also stands above that of other moving arm lamps on the market as it is easily positioned with a touch of the finger and its rugged construction has no exposed wires or springs.