We EAGLE METALWARE professionally produce E.G 12.9 Hex socket head cap screw and Anchors, Wedge Anchors. Footstone : Concrete & Natural StoneMaterial : Steel, Stainless Steel & Other Metal MaterialUsuage : Within the range of load bearing, it can be used for indoor fixing, fir fighting apparatus, hot water piping, air-conditioner, general usually fixing and suspended fixing , slot steel, track, ...