Skillbuildersä Bi Height Wedge 18 x 22 Height: 8 or 10 Respiratory Care DIGITAL (LCD) READOUT * 100 MSHQ BH180S DIGITAL (LCD) READOUT * 100 lb * The heavy duty dynamometer features the hydraulic system that is used in the industry accepted Baseline© and Jamar© hand dynamometers and pinch gauges * Hydraulic system ensures accurate readings * The dynamometer is much lighter (1 X Large Size * Extra wide seat width of 25 * Wide armrests have extra cushioning * Adjustable elastic back straps and lumbar support * Oversized footrest gives tall patients optimal foot support * 2 heavy duty 5 swivel casters in rear and 2 rigid casters in front * Comfortable and resilient elastic seat base resists moisture * Welded steel frame is neutral color powder coating * Dual blow molded fold down side trays with recessed cup holders * Built in headrest * Seat Width: 25 Overall Width: 35 * Weight Capacity: 450 Lbs Position at a higher or lower height (use on side 1 or side 2) * Without the removable straps the deluxe wedge functions just like the standard Skillbuilders© wedge *