TMS Red Laser Bore Sight Kit Boresighter for .22 to .50 Caliber Scope Handgun Rifles Condition: Brand New Color: Black Laser Color: Red This collimator is suitable for sighting scopes in rifles and shotguns without firing a shot. Sight with emit a straight red laser beam, providing precise reference for zeroing scope and sight alignment Features: Easy to use and instruction Light weight and durable Accurate Laser Bore sight collimator Fit any 0.22 to 0.50 caliber handguns, rifles, sights and scopes Comes with tools, four adapters, and six extra batteries Specifications: Material: Aluminum Max output power: less than 1mW Class II Laser Laser Wavelength: 520mm Length: 155mm (6 1/8) Head Diameter: 16mm (5/8) Tail Diameter: 5mm (13/64) Power: 3 x AG13 (#76, LR-44) batteries Package Includes: 1 x Padded storage case 1 x Laser boresighter 1 x Screwdriver 1 x Spare screw 1 x Allen key 4 x Adapter tips 6 x AG13 batteries