The stainless metal clamp is used to hook the pressure gage to cuff. The wear-free precision air release valve incorporates fine adjustment, while the micro-filter efficiently protects the measuring system and air-release valve. Specially strengthened copper-beryllium diaphragm has features like precision movement and non-aging. Fitted with 49 mm linear scale showing range 0 to 300 mmHg, it demonstrates a pressure-loading capacity of maximum 600 mmHg and maximum error tolerance of +/- 3 mmHg. The exacta aneroid sphygmomanometer comes in vinyl zipper case with a latex bulb to pump up the cuff. This medical equipment comes in various versions and sizes to best fit the needs of wide range of patients.