DESC: PROMOTION: Free Adlite Pro PenLight ($25 Value) Purchase any Adscope 600 or 601 Stethoscope AND RECEIVE Free Adlite Pro Premium Penlight with Case Good for purchases between June 8 th to September 30 th , 2009 A convertible scope that combines the versatility of our Sprague with the acoustic excellence of our 602. Stethoscope features: Threaded chestpiece drum allows rapid conversion from a pediatric diaphragm to an adult bell Chestpiece precisely machined to exacting tolerances from surgical stainless steel for outstanding performance and rugged durability Extra deep bell for unsurpassed low frequency response Ultra-sensitive diaphragms for greater amplification and crisper high frequency transmission Non-chill bell and diaphragm retaining rims for patient comfort Large internal bore stainless steel binaurals are fixed at a 15 angle for greater comfort Custom molded bi-lumen 19" PVC tubing stays soft and flexible Extra-thick tubing walls