Blue Jay Lumbar Support LG Large 35.75 39 Blue Jay Scooter Accessories 5 Lbs) * Weight capacity 10883 5 Lbs) * Weight capacity 250 lbs Microprocessor controlled * Professional four channel electrotherapy device that provides IF 4 Pole IF 2 Pole Russian EMS and TENS waveforms with two separate timers * The portable design lets you take it to your patient or keep it at the clinic * It'∞⁄s easy to use and is up and running within minutes * The Quattro 2 Large fits waist circum 75 39 (when sizing measure around the middle of the waist) * Provides pain relief and compression for muscle injuries and general lower back dysfunctions