The Proscope™ 660 Classic Stethoscope from American Diagnostic Corp, available through LabSupplies.com. Choose your pack size above. Quality stethoscopes for clear auscultation in clinical assessment. Backed by McKesson quality and reliable fulfillment.Features & Benefits Ideally suited for blood pressure measurement Proprietary diaphragm enhances acoustic response by 50% over traditional designs Adjustable aluminum binaurals with PVC ear tips Lightweight aluminum chest piece construction Non-chill diaphragm rim for patient comfort Weighs 2.41 oz Specifications Manufacturer American Diagnostic Corp Brand Proscope™ 660 Product Type Binaural Stethoscopes Ordering & Cross-ReferenceOrder or search by McKesson item number, manufacturer number (MPN), or UPC/GTIN: Pack McKesson Item # Mfr # (MPN) UPC / GTIN Each 256930 660LB 634782005900