Product Details First grade quality - virgin material usedPurity of mercury 99.99%0 to 300 mm of Hg scale with elegant finishFine numbering and durable background contrast paint for clear visibilitySpecial control valve for perfect pressure dropBest quality cuff for getting excellent gripProven and tested rubber material for Bladder and Bulb to give more durabilitySurface plating adapted to all exposed metal parts to prevent corrosionCuff comes with an extra Velcro fastening for added grip Stand Model Elegant design manufactured in CRCA white metal sheet Wide base stand for perfect balance Height of the instrument suitable for normal bed height Cuff with extra Velcro fastening to get confirmed grip Best Quality Caster wheels for easy and free movement Measurement Unit : mm Hg Resolution : 2mm Hg Measurement method : By Auscultation with Stethoscope Pressure display range : 10 – 300 mm Hg Accuracy : +/- 3mm Hg (Pressure) Cuff size: 14.5 cm x 51 cm Pressurization : Manually using rubber bulb Deflation : Manual control valve