Welch Allyn Platinum Series DS58 Hand Aneroids, used in maintaining accurate blood pressure readings incorporates latest gear-free DuraShock™ technology to provide lower lifetime cost. This premium gauge, of Platinum Series highlights unsurpassed reliability with a traditional handheld design. It is also super shock-resistant which enables it to withstand maximum of 60" drop (twice that of AAMI “Shock-Resistant” standard), maintaining calibration simultaneously. While jewel bearings accounts for smooth movement and long life, Laser-engraved dial face and Premium inflation system and ergonomic inflation bulb ensure greater accuracy and enhanced comfort respectively. The latex-free DS58 Hand Aneroid has other attractive benefits like premium aesthetics, lifetime calibration warranty and exceptional light weight.