We are offering Cement Guide Shoe. The rounded Cement nose with a generous radius which assures smooth running . Both have flat-finished concrete tops to provide strong surfaces for landing cement plugs . The Cement Maximizes Shock Resistance and Minimizes drill-out time .This Guide Shoe may be used in combination with any type of collar. All cement guide shoes are PDC drillable. Crimson Cement Guide Shoe are available for casing Sizes 3½” to