Brand: Weaver|Brand Family: Grand Slam|CA Prop 65: Yes|CA Prop 65 Chemical: Lead|Compliance Item Type: Rails and Mounts|Country of Origin: USA|Material: Steel|Ring & Mount Action: LA/SA|Ring & Mount Finish: Matte|Ring & Mount Pieces: 2-Piece|Ring & Mount Ring Height: Extra High|Ring & Mount Ring Height Actual: .560"|Ring & Mount Tube Diameter: 1"|Ring & Mount Type: Weaver Style|Warranty: Mfg Limited Lifetime