Thanks to a technological breakthrough by NASA, the MSFC-398 Aluminum is the best on the market today. High in strength and able to be precisely cast, the American Made Banjo Co. has available a Full Size Flathead 20 Hole Banjo Tone Ring cut to the same dimensions as the Dannick Tone Ring. This Tone Ring weighs in at 18 ounces. Make your current banjo pounds lighter or get one installed in your next new banjo. This ring is interchangeable with most Gibson style Tone Rings.