Latex free. The Tycos 767 Wall and Mobile Aneroids offer all the dependability and accuracy of our classic aneroids, along with an updated look. Precision, jewelled-movement manometer that is certified to be accurate within one percent of scale (3mmHg). Laser-engraved dial face for precision calibration. Built-in basket for securely storing the inflation system. High-impact housing and bezel to protect the movement and crystal. Large dial face (6 1/4") and bright orange pointer for easy reading. 40 side-to-side swivel for clear viewing at all angles. The Mobile aneroid has adjustable height stand and locking collar, 4' coiled tubing and 360 manometer swivel for ease of reading. Lifetime calibration and manufacturing warranty.