Universal Laser Boresight

Dimensions: 5.7" x 1.1". 3oz. Works on all rifles, pistols, and shotguns. Green laser. Magnetic base with arbor. 532nm laser wavelength. Uses one CR2 battery (included). Range for sighting: 15-150yds. Dot size: 2" at 100yds. Aluminum construction. Color: Black. Clam packed.