ERKA 'Perfect Palm' Sphygmomanometer is a top of the range, high quality, classic handheld blood pressure gauge Features:• Ideal for use for GPs and hospitals• Manometer housing brass chrome-plated• Membrane protecting 2 tube technology• Display scale is 56mm diameter• Measuring accuracy over the total range: ± 3mmHg• Screw valve for sensitive adjustmentBenefits:• Long lasting high quality material• Flat and easy to carry - ideal for the doctor’s bag• All materials recyclableERKA Perfect Palm Sphygmomanometer Includes:• Washable velcro cuff • 3 year warrantyLeather pouchRANGE 27-35CM