PRECISA® N with stethoscope - plastic/metal - 1 tube Reliable, high-quality sphygmomanometers with durable accuracy. - A microfilter protects the vent valve and the measuring mechanism - special membrane made of hardened beryllium-copper, precise and anti-aging - Pressure-resistant diaphragm up to 600 mmHg - Metal valve base - ergonomic spoon-shaped handle made of stainless steel - plastic/metal linear dial, scale from 0 to 300 mmHg (easily readable) Supplied with calibrated nylon cuff and Velcro closure, in a leatherette bag. Made in Germany.