Mobile Aneroid w/Adult Cuff Tycos Tycos 509 Series aneroids provide all the accuracy and reliability you expect from Tycos - at an affordable price * Lifetime calibration and manufacturing warranty * Precision jeweled bearings resist wear for consistently accurate readings * Unique phosphor-bronze aneroid bellows ensure consistent pressure measurement * Visual check of accuracy on the dial * Strong die-cast zinc internal housing protects mechanism * The Wall style has an 8' coiled tubing with 90ø swivel for flexible reading 10ø forward tile to reduce glare * The Mobile style has 360ø swivel with adjustable height stand and 4' coiled tubing *