Giles de Quincey Tunneling Instrument 1 Giles de Quincey Tunneling Instrument 1 Sign in to save to your list FQUINCEY1X The Giles de Quincey Tunneling Instrument 1 is designed for reduced risk of perforation during tunneling procedures. 1.5mm (Difference between Quincey 1 and 2?) Where to Buy Ask a specialist