Specifications include, but are not limited to: A-dec 511 Chairs Chair, 511, No upholstery Upholstery Type Seamless Color: Hazelnut Seat Upholstery/Toeboard; Back upholstery Chair Capacity: Patient Load 400 lb (181kg) maximum; Accessory Load 250lb (113kg) Maximum Contoured Floor Box Chair bolted to floor during installation Accessory Power Cord 120V Accessory Power Cord Swivel Brake Tension Multi-position Armrests (patient entry/exit/working direct) Position the headrest for wheelchairs(Double articulating gliding headrest) Program Chair Preset Positions Footswitch Chair Stop Plate Power On/Off Button Product Details for A-dec 511 Chair Ultra-thin backrest that "flexes" Double-articulating, gliding headrest Innovative hydraulic lift system Integrated 300-watt power supply Expanded height range 60º swivel with brake Multi-position armrests Cut-away, cast iron baseplate A-dec 332 Radius Delivery System Delivery, Radius, Traditional 332 Specify Touch-pad Specify Options Mounting Style A-dec 511 chair Standard Tray Holder (Rotation- Hex key to adjust tension) Doctor’s Touchpad Standard Touchpad Position 0 Autoclavable QDsyringe Position 3 4-Hole Tubing Position 4 4-Hole Tubing