Welch Allyn Platinum Series DS58 Handheld Aneroid with Durashock technology. This premium gauge provides unsurpassed reliability in a traditional handheld design. The DS58 gauge has a thumbscrew bleed valve, has an ergonomic inflation bulb for enhanced comfort and is compatible with FlexiPort reusable blood pressure cuffs with one-tube tri-purpose connectors. Comes complete with adult 1 tube cuff and case. With gear-free DuraShock™ technology, you can count on the robust design of the DS58 Integrated Aneroid to remain in calibration longer than traditional aneroids, providing more accurate readings over time and a lower lifetime cost.