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The Spectra Precision GL722 Dual Grade Laser is one of the most advanced grade lasers on the market. The long-range operation, advanced radio remote, grade matching, Planelok, and automatic axis alignment features mean that you can do quick and highly accurate set-ups for any grade application. With the GL722’s powerful, long-range remote control, it takes one person to accurately set up and operate the grade laser. Even grade reverse is done in an instant. You can automatically control all the transmitter’s functions using the remote. Grades can be changed on the fly up to 750 ft (225 m) from the transmitter. With a grade range of ±10% in the X-axis and -0.5 to +25% in the Y-axis, combined with a 3,000 ft (900 m) operating diameter, no job is too small for this laser. Automatic Axis Alignment can done up to 500 ft (150 m) from the transmitter, providing accurate set-up and eliminating the need to climb a ladder to try to align the laser to your grade hub. Kit Includes: GL412N Single Grade Laser HL760 receiver C70 rod clamp RC402N remote 105516 Vertical Adapter for HL Receiver 10 Ah NiMH batteries & charger small carrying case

The GL412N is a single grade laser that also offers long-range operation in addition to its grade range up to 15%. Operate the laser using longer range remote controls. With a radio remote operating at a range up to 330 feet (100 meters) you have the ability to make grade changes and to make grade changes remotely, which can significantly reduce setup time. Grading and excavation Leveling concrete forms and footers General construction vertical alignment such as anchor bolt and form alignment Sports fields, tennis courts, driveways and landscaping Ramps and drainage Includes Spectra GL412N, HL760 Receiver, & RC402 Remote

The Spectra Precision Rechargeable NiMH Pack, 10 Ah is a re-usable battery pack that works with Spectra DG813, DG613, DG613G, and UL633 Lasers. Also, it has 10 ampere-hours (Ah).

The Trimble RPT600 Rapid Positioning System is Used and comes with two batteries, a dual charger, 360 Prism, reflectors and a transport case. Trimble RPT600 Rapid Positioning System Includes: Trimble RPT600 Rapid Positioning System 2 x RPT600 Batteries Trimble Dual Charger w/ Power Supply Rugged Carrying Case 360 Prism 10 x Square Reflectors NOT AVAILABLE FOR DELIVERY IN CALIFORNIA