Wheelchair Sof Top Removable Lap Tray (Fits 16 18 WC) Exercise Rolls 5 * Rigid bolt through mounted 16 7136 5 * Rigid bolt through mounted handrail * Two full width safety treads on each step * Tough PVC edge tape * Powder coated 2 x 2 steel uprights * Brace reinforced underside * Small corner staircase for limited space * Requires a minimum 9' ceiling * 500 lbs Covers 360¯ (Displays +180¯ to 180¯) Wheelchair Width: 16 to 18 * Dimensions: 24 Wide x 20 Deep * Trays serve as foundations on which patients can lean for support they provide feeding surfaces and they act as reminders not to leave the wheelchair * All trays have easy open closures for OSHA compliance and around the chair straps that prevent them from sliding forward * Sof Top tray is easy on sensitive arms and elbows