Sphygmomanometer device is used to measure blood pressure. Features included measure ranges of 0-300mmHg, manual inflation and air release, pure mercury of 99.999%, mercury tank operates in manual switch, has tube scale for display and the scale mercury is crafted from special mater-unbreakable materials. The cuff size is 570 x 146 mm as nurse type and cuff material is made of Deluxe nylon or cotton fabric. The product color comes in cream white. Special features are patented heavy wheel base and drag steady without falling capabilities.