The Wedge Anchor Bolt Set features an expanding bolt to connect pedestal to pre-existing concrete (hardened concrete). The kit includes: bolt, washer, and tightening nut. The Domestic Wedge Anchor is a threaded, torquecontrolled, carbon steel expansion anchor which is designed for consistent performance in concrete. Suitable base materials are normal-weight and sand-lightweight concrete. The anchor is manufactured with carbon steel body and expansion clip. Nut and washer are included.