Littmann Classic II, Pediatric Stethoscope has a one-inch traditional bell with diaphragm, stainless steel chestpiece and Littmann snap-tight soft-sealing eartips. Three year warranty. Length:28". Weighs:40 Grams or, 1.4 oz. This stethoscope comes with an extra set of firm eartips. Ranked 7 in a scale of 1 -10 on Littmann's Stethoscope Performance Scale.