This compact, portable UV (blacklight) inspection light puts out approximately 4 watts of power for great visibility. The 365NM wavelength is a perfect match for our UV Dye Penetrant Crack Testing Kit, Part No. 3772 (sold separately).
A single fluorescent tube along one side of the light puts out a wide spread of light. The light is small enough (6.25" x 2" x 1") to fit in a toolbox and battery-operated for use anywhere (requires 4 x AA batteries, not included).