This smartly designed tool makes front sight adjustments quick and easy. The stainless steel shaft is knurled to create no-slip leverage when turning tight posts. It works on both A1 & A2 front sights and the compact design won't clutter up your bag. When an AR15 is loaded and charged, aiming off target is not an option. This durable, compact, black oxide coated stainless steel tool gets black guns dialed-in and makes quick sight adjustments a breeze. Additionally, the double-ended Front Sight Adjuster Tool is designed to work with both A1 & A2 (5 / 4 pin) front sites.