The Oxford Strikeforce ground and wall anchor kit is Sold Secure Ground Anchors GOLD-certified and insurance company-approved. It features a hardened steel construction and provides a secure anchor point for all Oxford chains (except BEAST 22mm). It is saw and sledgehammer-resistant and can be fitted to concrete floors and concrete/brick walls. It comes with instructions, 4 x high-security expansion bolts, 4 x anti-tamper ball bearings and 4 x steel plugs to create an unassailable anchor.