This combo package is a custom part exclusive to International Tool. Enhance the precision, ease and efficiency of your work with this combo. Bosch measuring and layout tool product categories include distance and angle measuring, laser layout/leveling, and thru-wall detection. The GLL2 has a Smart Pendulum System, which self-levels and indicates out-of-level position. The system offers a switch slider to lock for secure transport. Easy-to-use one-button operation allows the user to choose among cross-line, horizontal or vertical modes, depending on the application, and it provides an accuracy of ±3/16 In. at 30 Ft. The unit includes a flexible mounting device that can clamp to practically any interior surface for maximum versatility. The manual mode allows the user to lock the cross-line, so the operator can lock the line and set the level at any desired angle. The Bosch BLAZE GLM 20 laser measure is an easier, faster and more accurate way to measure. It delivers laser precision technology and real-time measurement mode, taking instant and reliable measurements up to 65 Ft., so one person can size up the job in seconds. Square and compact by design, the BLAZE GLM 20 laser measure is ready for anywhere portability. It has a backlit display for easy viewing, even in dark areas. The laser measure is simple to operate, so users need only press one button to get accurate measurements to within 1/8 In., and press again to hold the measurement.