EZshoot Bore Sight Kit Red Green Laser BoreSighter for .17 to 12GA Caliber

About Red Green Bore Sight Kit [Clear and bright beam]: Clear and bright red/green laser, which is not easily affected by weather and has sighting longer rang, allows you to accurately aim at the target even in low visibility. [2 Upgraded battery + big button switch]: Our upgraded CR2 battery has ultra-long battery life and longer service life. Big and sensitive button switch, convenient to control, just lightly press to turn ON/OFF the laser. [Green laser bore sight]: EZshoot red green Laser sight Contains 16 adapters and 1 arbor, perfectly fit for any 0.17 to 12GA caliber. Arbor suitable for .54-.79 (#10-#16) calibers make the laser bore sight stable. Make sure to select the proper adapter. [Easy to use]: Comes with tools, just following by guide of manual, choosing appropriate size adapter and place the laser unit in the equipment. Laser class: IIIa. Max. Output Power:＜5mW. [Light weight and long-lasting]: Adapts with superior materials, excellent metal structure design and assemb