ADSCOPE Adult Acoustic Scope Dark Green Back Neck Therapy 500LB DYNAMOTER (UNCLUDES DOOR KNOB 413116 500LB DYNAMOTER (UNCLUDES DOOR KNOB GRIP AND PROTECTIVE CARRYING CASE) * Analog Dial Readout * Simply and accurately measures the strength of the wrist muscles during flexion extension abduction and adduction and the forearm muscles during supination and pronation * The Baseline© wrist forearm dynamometer features the time proven hydraulic system used in the industry accepted Baseline© and Jamar© hand dynamometers * For hand held use the dynamometer can accommodate the Baseline© single grip (12 0385) and dual grip (10041J) handle * Maximum reading remains until the unit is reset * The strength reading can be viewed as pounds or kilograms * Comes with portable carrying case * Made in the USA with a 1 year manufacturers warranty * CE certified * Carbon steel frame with double coated chrome for an attractive chip proof maintainable finish 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 * Overall length 31 * Lifetime Warranty *