P52 Dent Ball Driver/Retriever for French Horn Tuning Slides

P52 Dent Ball Driver/Retriever for Cylindrical Tubing and French Horn Tuning Slides This model of the Dent Ball Driver/Retriever is designed to be used in the irregular shaped French horn tuning slides. However, many Repairmen have told us the tool is definitely not limited to tuning slides on French horns. It works very well for any instruments that have cylindrical tubing as well as cornet mouth-pipes. Available: P52 Driver/Retriever for French Horn Tuning Slides P52A Replacement Cable  P50BB BRASS BARREL BALL FOR P50, P52,P53 AND P56 P50BF BRASS FLAT BALL FOR P50 AND P52