Thermoskin Hinged Elbow Small Black Doppler Transducers output level ≤125+3dB Max OSPL90 MSHQ 1594XL output level ≤125+3dB Max OSPL90 ≤125+3dB Average OSPL90 118±3dB Max Gain 45±5dB FOG50 HFA Avg This Therapy Step is ideal for patients that need balance retraining * Step is made of multiple birch plywood and covered with foot friendly carpet * Step training helps improve muscle response and reduce the risk of falling * Weight capacity 400 lbs * Natural wood finish * Made in the USA *8 Hx16 Wx20 L Hinged Elbow is designed to prevent hyperextension of the elbow * X cross hook & loop locking straps help restrict range of motion * Medial and lateral hinges provide a hyperextension stop at 0¯ * Measure around elbow joint with arm extended * Small 9 10¨ *