This Stainless Steel Bolt Set is necessary in high corrosive areas that are near salt water oceans or in high humidity areas. In addition, these stainless steel anchor bolts are strong, durable, and reduce vandalism possibilities. They provide a stronger resistance when vandals try to pull units directly off pedestals. Use when vandalism is a concern. The Domestic Wedge Anchor is a threaded, torquecontrolled, stainless steel wedge 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 a stainless steel body and expansion clip. Nut and washer are included.