Introducing STAT Duck Call Turning Kits. STAT Duck Call Turning Kits are molded in the U.S.A , made of Impact resistant polycarbonate and available in several colors. These are 5/8 dia. and 3 5/8 long. Designed as a double reed, these inserts have an powerful, realistic sound, its easy to blow and reeds will not stick even when wet. Easy to turn using 1-1/2 X 1-1/2 spindle stock.