• Depth 20mm • 2 sizes available 70mm and 95mm • All Models Fit Into a 60mm Mounting Hole Size • Soft Gasket Mounting System Works In Any Material • Finished with Gold Bezels • European Made Barometer, Thermometer & Hygrometer Coils The Parchment series only available in the 70mm. The 80mm screw bezel thermometer has all metal parts with glass lense and fits into a 76mm hole. Also has a back cover and can be used if needed.