JLT1097 Features: * Green laser precision level * Solid aluminum frame - one piece case design won"t bend or twist and it"s weather protected * Wedge prisms are factory calibrated - no field adjustments required * Solid brass end caps provides for years of trouble free service * Optical calibration - no set screws * Turn the laser on by turning the battery cap switch * Measures level or plumb using the precision level vial or two plumb vials that are built-in and factory set * Industrial grade optics that are fully coated for maximum performance * 0.25"" - 20 thread mounting hole can be mounted to standard camera tripods for standalone operation * Ideal for site layouts, crosscut and break measurements, slope, conveyors, grade and transit work * Bright green laser reads up to 100" * Working edge is machined flat to 0.0005"" * Mark the center of the laser dot and subtract 0.5"" to reference the bottom of the level * Accuracy: +/-0.06""/100" Includes: * Includes 2 ""AA"" ""MN1500"" alkaline batteries and instruction manual Dimensions: * Dimensions: 3.75"" H x 4"" W x 13.5"" D