Tony Dixon Alloy High D Whistle.Tuneable - Black ABS head with an aluminium body and brass tuning slide. A great middle ground option. The aluminium body gives you inchthat sound but with polymer mouthpiece to keep the price down. Synthetic build that resists moisture, humidity and liquids!. Designed and made in England. Read the full description for more details. Buy from the experts for efficient, friendly service from musical instrument specialists.