The ADC Proscope 660 Single-Head Nurse Stethoscope includes a spare pair of black mushroom eartips. Warranty: 1 Year - Defects in Materials and Workmanship under normal use and service. The Proscope 660 features a diaphragm-only chestpiece and is ideally suited for blood pressure measurement. ADC Proscopes are ideal general-exam scopes for the institutional setting. Note: This item is available in either standard or retail display packaging. Features ADC Proscope 660 Single-Head Nurse Stethoscope Features Diaphragm-only chestpiece is non-chill and nurse-style. Lightweight aluminum chestpiece construction. Ultra-light Weight: Aluminum alloy construction throughout for maximum weight reduction. Ideally suited for blood pressure measurement. Proprietary diaphragm enhances acoustic response by 50% over traditional designs. Adjustable aluminum binaurals with PVC eartips. Flexible 21" PVC tubing is made without phthalates. Inspected and packaged in the U.S.A. Specifications ADC Proscope 660 Single-Head Nurse Stethoscope Specifications Chestpiece Type: Diaphragm Only. Chestpiece Material: Aluminum. Chestpiece Finish: Anodized. Chestpiece Weight: 0.72 oz (20.3 g). Diaphragm Diameter: 1.75" (4.45 cm). Diaphragm Material: PVC. Diaphragm Type: Standard. Headset Type: Lightweight. Headset Material: Aluminum. Headset Finish: Anodized. Tubing Length: 21" (55.5 cm). Total Length: 31.5" (80 cm). Total Weight: 2.41 oz (68.4 g). Configurations ADC Proscope 660 Single-Head Nurse Stethoscope Configurations Black (#660BK) / Display Packaging (#660BKQ). Burgundy (#660BD) / Display Packaging (#660BDQ). Gold (#660GD) / Display Packaging (#660GDQ). Gray (#660G) / Display Packaging (#660GQ). Light Blue (#660LB) / Display Packaging (#660LBQ). Magenta (#660M) / Display Packaging (#660MQ). Navy (#660N) / Display Packaging (#660NQ). Neon Orange (#660NO) / Display Packaging (#660NOQ). Neon Pink (#660NP) / Display Packaging (#660NPQ). Neon Yellow (#660NY) / Display Packaging (#660NYQ). Pink (#660P) / Display Packaging (#660PQ). Purple (#660V) / Display Packaging (#660VQ). Red (#660R) / Display Packaging (#660RQ). Royal Blue (#660RB) / Display Packaging (#660RBQ). Teal (#660TL) / Display Packaging (#660TLQ). Yellow (#660Y) / Display Packaging (#660YQ). Accessories ADC Proscope 660 Single-Head Nurse Stethoscope Accessories The following accessories are compatible and commonly purchased with the Proscope 660 Single-Head Nurse Stethoscope: #660-01: Chestpiece for Proscope 660/661 Single Head Stethoscope. #660-05: Binaural for Proscope Stethoscope. #660-05TBK: Y Tubing for Proscope Stethoscopes - Black. #660-06: Eartips for Proscope Stethoscope. #661-02: Diaphragm Retaining Ring for Proscope Stethoscopes. #661-03: Diaphragm for Proscope Stethoscopes. Literature ADC Proscope 660 Single-Head Nurse Stethoscope Literature ADC 2017 Product Catalog