ADSCOPE Adult Acoustic Scope Black Physician Supplies adjusts to 90 degrees * Oxygen Masks adjusts to 90 degrees * Easy on off * Measure from Wrist To Elbow Crease * Colorful weights assist sensory motor planning * They provide feedback for those with difficulty in vestibular or proprioceptive processing * The O Rings secure the weights and allow them to be placed anywhere on the writing instrument * Weights are approx * Overall length 31 * Lifetime Warranty * Combination adult size chestpiece precisely machined to exacting tolerances from surgical stainless steel for outstanding performance and rugged durability * Extra large bell (13 8 diameter) for unsurpassed low frequency response * Ultra sensitive diaphragm (17 8 diameter) for greater amplification and crisper high frequency response * Color coordinated non chill bell and diaphragm retaining rim for patient comfort * Stainless steel binaurals with double leaf internal spring fixed at 15ß angle for greater comfort * Reinforcing yoke molded into flexible 22 PVC Y tubing * Adsoft deluxe PVC eartips (in small and large) for the ultimate in wearing comfort and acoustic seal * Spare diaphragm included * Scope ID Tag included * Weighs 6