Proscope™ 665 Disposable Stethoscope, Case of 50The first disposable scope with performance so good you might want to keep it. features: Nurse style, diaphragm only, single patient use scope Super lightweight ABS construction, weighs only 1. 5 oz May be ETO sterilized and safely incinerated Ultra sensitive diaphragm for outstanding acoustic performance Individually packaged in a sealed polybag Overall length 32 Made without phthalates or natural rubber latex MRI compatible 10 units per shelf carton