Brass Smith Bushing for Case Trim Xpress Features The Lyman Brass Smith Bushings for Case Trim Xpress are designed to fit most popular bottleneck rifle cases. The bushings support and center the case with the cutter. No pilots are needed. The bushings are spring loaded to provide a smooth effortless cut; and allow the user to trim approximately 15 cases per minute. Brass Smith Bushing for Case Trim Xpress Specifications Designed for bottleneck rifle cases Support and center the case with the cutter Pilots unecessary Bushings spring loaded 15 cases per minute