Smooth grips made of rosewood bearing the Ruger emblem. Only works with the Ruger New Vaquero® (with serial numbers starting with 510-XXXXX) and 50th Anniversary Blackhawk®. Fits NVB grip frame with internal lock. This product is made of natural wood, which comes in a variety of colours. A Ruger Vaquero® with a serial number that starts with 50-XXXXX WILL NOT FIT. Included is one screw. Altamont makes products in the USA.