In order to make simpler and quicken the process of auscultation the phonendoscope’s flat chest piece, made of aluminium, is attached to the sphygmomanometer’s cuff. The smaller size and lesser cost make the DGX 415 an automatic choice for inclusion in every first aid kit. Salient features: • Accurate gauge • Twin-tube measuring system • Painted casing of light-alloy • Hg scale range of 0-300 mm • Corrosion-resistant apparatus • Floating zero • 42 mm [1.65 in] internal diameter dial • Chromed-metal regulation valve • 47 mm [1.85 in] diameter Phonendoscope head • One-piece rubber tube • Chromed arch • Anti-allergenic cuff made of nylon standardized with strap closure • Pouch with zip • Unitary packaging in 4-colour printed cardboard box • 458 g [1.01 lbs] weight