The ASA Techmed Professional Sprague Stethoscope is a lightweight diagnostic instrument that delivers accurate auscultation of heart, lung, and Korotkoff sounds with high acoustic clarity. The design is comfortable for the clinician / doctor / nurse and patient, even during extended use. The super-duty, lightweight aluminum dual-head chest piece is precisely machined and hand polished for high performance and durability Monitor and assess a wide range of patients with the bell and diaphragm options. Features a purple accent color to match the tubing. Non-Chill Chest Ring + longer than average double PVC latex-free tube length lasts signs of wear like cracking. Adjustable binaural with premium construction deliver a high degree of flexibility for precise performance and isolation of sound. The ear tip adaptors are soft, non-invasive and lead the industry in user safety. Small, Regular, and Large Ear tips are included in our Free-parts-for-life Program. Includes extra parts such as earpieces, adult and pediatric diaphragms, child / infant bells that can be switched out for amplified hearing and customization for the user. Fantastic for medical students and professionals alike. The Castling Hard Travel Case fits your ASA Techmed Stethoscope and is made of premium hard EVA to provide durability and long-lasting performance. Semi Waterproof and shockproof. Durable two-way zippers are smoothly open and close to reveal a soft interior. Mesh interior pocket fits other supplies such as bandage scissors, hemostats, pens etc. Inside dimensions: 10" x 3.5".