Unsurpassed accuracy and durability in the traditional classic design. For more than 30 years, the Tycos Classic Hand Aneroid has delivered performance and reliability in worldwide clinical use. Precision, jewelled bearings resist wear for consistently accurate readings. Every dial face is individually laser-engraved for exact calibration. Crisp white graphics on large charcoal-gray scale for better readability. Unique phosphor-bronze aneroid bellows ensure consistent pressure measurement. Recessed dial brings needle and dial markings close together and eliminates parallax. Single-tube leur connector allows for easy interchange of cuff sizes. Lifetime calibration and manufacturing warranty. All latex free.