Bosch Cross Line Laser Level GLL50 20 50 Foot Red Beam (Self Leveling Integrated Magnetic Mount 1 4 20 Thread Construction Sizing Layout Alignment Tool) 50 100 Dual Function Reversible Jaws: Offers both Dual Function Reversible Jaws: Offers both smooth parallel surfaces and knurled teeth to accommodate diverse fastening requirements Cutting Method Application Wet or Dry Operation Rim Profile Construction Segmented Edge Maximum Operating Speed 4 Brand Name: Bosch Model Number: GLL50 20 Tool Component Classification: Self Leveling Cross Line Laser Level Maximum Optical Working Range: Up to 50 ft this compact layout instrument delivers a reliable 50 foot operational range and an accuracy threshold of ±5 16 inch at 30 feet across an automatic self leveling pendulum arc of up to 3