GSA Specification FF-S-325 Group VIII, Type 1, ICBO Listed. A-A-55614 Type1 Lipless design allows for below surface setting for easy patch work. Higher performance potential with deep embedment setting. Drill hole the same diameter as outside diameter of anchor being used to any depth exceeding minimum embedment. Drive anchor flush with surface of concrete. Expand anchor with setting tool provided. Anchor is properly expanded when shoulder of setting tool is flush with top of anchor.