FEATURES: • Made in the U.S.A of a solid ABS plastic material to maintain its strength and flexibility - extremely lightweight (under .3 oz). • When the roll of tape is attached it acts as a perfect counter-weight to your heavier bell side to help balance your scope around your neck. • Designed with a slotted screw enabling it to fit on all standard sized stethoscopes although varying stethoscope tube diameters exist. • Attaching a new roll of 1” medical tape or removing a used roll is super easy! • The S3 is available in several colors to keep you coordinated with your uniform (or shoes!)