Quiet, smooth operation. Head and foot ends are interchangeable with Invacare. Side slips under angle iron store shaft when bed is unassembled. Easy to set up. Back and foot adjustment allow for an anatomically correct sleep surface. Channel frame construction . Rails- Constructed of chrome-plated steel for strength and durability. Fits all hospital bed s with metal frame. Ideal for maximum protection when bed is elevated. Easy to install. Bed height min-16 in; Bed height max-24.5 in; Overall length-88 in; Overall width-36 in; Product weight-172lbs; Weight limit-450lbs