This instrument is a direct descendant of the wooden flutes the company designed and made many years ago. This low maintenance Acetal (Delrin) flute/ Whistle Duo is made to this same specification. The Flute/ Whistle Duo is designed along the same principal as the simple systems flutes and Whistle being made of three separate sections which allows for some degree of alteration to hole alignment to help with comfortable playing. With both Heads allowing for a quick and easy transition from a Flute to a Whistle with a simple swap of a head. Low maintenance traditional cork joints make for positive assembly, the application of cork grease of similar will be necessary periodically to maintain a good seal. The cork joints and brass end rings make for a classy feeling whistle with a nod to traditional instruments.