The Model 1 All Steel - the heavy-duty, all-around size for the versatile shooter. With its ski feet, the Model 1 can be used on many natural terrains to lock into place for accuracy and comfort. Perfect for porous surfaces, i.e. mud, clay, soggy grass, etc. Plus the All-Steel construction gives the bipod an almost unbreakable body. The legs have ski feet that extend from 9 inches to 12 inches.