Johnson Level & Tool 40-6517 Self-Leveling Rotary Laser System. ROTARY LASER LEVEL: This Johnson Self Leveling Kit is ideal for various indoor and outdoor jobs. Perfect for small jobsites; this rotary tool self-levels in the horizontal plane and levels manually in the vertical plane. SAFETY ALARM: The rotary laser features visual and audible alarms that alert you when the rotary is beyond its leveling range and the locking pendulum that protects the inner pendulum during transportation.APPLICATIONS: This rotary laser may be used to check cut and fill; set foundations and footings; concrete pours; septic tanks and basement excavations; acoustical ceiling and drywall; align and plumb walls; level deck floors; set drainage; terracing; and more. ROTATIONAL SPEEDS: This manual rotary laser with illuminated vertical vial supports variable rotational speeds of 200-600 RPM. A variable RPM allows the user to set the laser to the speed that provides the optimum visibility. PRODUCT SPECIFICATIONS: With the included wall/ceiling mount; 8-foot grade rod; detector and clamp; tinted glasses; magnetic target; elevating tripod and hard-shell carrying case; this leveling system will get your jobsite up and running. This item is in the category "Home & Garden\Tools & Workshop Equipment\Measuring & Layout Tools\Laser Measuring Tools". The seller is "djdirrtye" and is located in this country: US. This item can be shipped to United States.