Due to State and Federal Law, we sell Syringes and Needles only to the Medical Facilities. 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 90? swivel for flexible reading, 10? forward tile to reduce glare * The Mobile style has 360? swivel with adjustable height stand, and 4' coiled tubing *