These grips are made of soft rubber with a cobblestone (stippled) surface for good grip control. One Piece Monogrip design with a stirrup that attaches the grip to the gun through the bottom of the grip. Closed Backstrap, finger grooves, palm swells and is relieved for speedloaders. Conversion grips convert a round butt frame to a square butt feel or vice versa.Specifications:Color: BlackMaterial: RubberCompatible With: Ruger