This stethoscope features a chestpiece composed of a 3.8cm flat disc diaphragm in a shallow metal bell cup. Chrome-plated binaurals are adjustable, and tubing is made of PVC. Ear tubes include plastic ear tips for comfort. Supplied with a spare diaphragm and extra set of ear tips. Additional Info: This stethoscope features a chestpiece composed of a 3.8cm flat disc diaphragm in a shallow metal bell cup. Chrome-plated binaurals are adjustable, and tubing is made of pvc. Supplied with a spare diaphragm and extra set of ear tips. Package Size(L x W x H): 8.5 X 4.75 X 1.25 (IN) Categories: Physiology, Stethoscope HTS Code: 9018.90.4000 UNSPSC: 4.21821e+007 Country Of Origin: INDIA