The RCBS Power Drill Converter allows you to use any standard drill to power the cutting head on the RCBS Trim Pro Case Trimmer, making the trimming process faster and more efficient. The Power Drill Converter is easy to use: simply attach it to your Trim Pro Case Trimmer and connect it to your standard drill. The converter is compatible with most standard drills, providing you with a wide range of options. The Power Drill Converter is not compatible with older RCBS case trimmers, so it is important to check the compatibility of your equipment before purchasing. Use any standard drill to power the cutting head on the RCBS Trim Pro Case Trimmer Simply attach it to your Trim Pro Case Trimmer and connect it to your standard drill Not compatible with older RCBS case trimmers