Real Avid Tool, Front Sight Tool, Stainless Steel, Black Finish, For AR Style Front Sights AVAR15FSA This compact" stainless steel tool makes quick sight adjustments a breeze. With durability and ingenuity" the double-ended AR15 Front Sight Adjuster Tool is designed to work on both A1 & A2 front sights" reducing the need to clutter your range bag.