Johnson 40-6224 Industrial Alignment Dot Laser with GreenBrite Technology w/110V AC Adapter
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- Laser beam is aligned to be concentric with the outside diameter of the brass housing. This allows the installer to use the outside of the case for centering and positioning the beam. Projects a vertical and horizontal laser chalk line
- Solid brass industrial grade housing protects laser diode - won't rust or spark
- Solid glass optics are designed for harsh work environments
- Wedge internal prisms steer beam and maintain beam alignment for impact resistance
- "O"ring seal - water and oil proof to IP67 standards