The Welch Allyn DuraShock DS55 is the perfect professional blood pressure monitor for performing manual blood pressure measurements. The meter comes complete with cuff 11 (25 cm - 34 cm). There is also a storage pouch for the DuraShock 55. The DuraShock series is characterised by the fact that these models are shockproof and have no gears. Complies with AAMI protocol. Shockproof (76 cm). Accurate and reliable. 10-year warranty on calibration.