This pack comes with 6 True Pitch bass drum tension rods that are made specifically for DW or PDP drums. They will not work on any other brands due to their finer thread count for more precise tuning. Note that DW products are not available for further discounting online. For additional information, please call 888-566-6123.(6) true pitch bass drum tension rods ONLY for DW or PDP drums 3-3/4" long