Made of durable DuPont PA66 polymer, these durable grips are impervious to the elements and resistant of most solvents and oils. The aggressive texture of the grips creates an adhesive-like quality, ensuring a solid grip. Mfg: Kensight Mfg SPECS: Fits – 1911 handguns. Construction – DuPont PA66 polymer. Weight – 1 oz.