This high quality front sight tool allows the user to adjust the AR15/ M16/ AR10 front sight post and also allows for the adjustment of the AK47/ SKS front sight post. The T-Handle design gives the necessary leverage to remove, adjust, or install your front sight. Two tools in one! This Front Sight Tool is not needed or used for the installation of the KNS Precision, Inc. Hooded or Standard Crosshair front sights.