The Premium Safe Anchoring Kit includes everything needed to secure your Hornady Security safe to a concrete floor. Four polymer shims help level the safe in place, while the included carbide concrete bit can be used to drill holes in the concrete floor. Place the anchor bolts into the drilled holes and tap into place with a hammer. Tighten the nuts with the included socket until the anchors expand into place. Product Features CARBIDE BIT- Carbide bit included for drilling holes in concrete floor. DRIVE SOCKET- Tighten nuts on anchor bolts with included drive socket. DUSTING CLOTH- Dusting cloth keeps safe looking new.