Bosch Power Tools' Self-Leveling, Cross-Line Laser
Bosch Power Tools' GLL 30 self-leveling, cross-line laser has a 30-ft. range and a 5/16-in. accuracy. Its integrated one-switch pendulum can lock lines at any angle and automatically locks when turned off. It comes with a flexible mounting device that clamps onto surfaces 1/2- to 21/4-in. thick.