Replacement Casters for #7034 Set of 4 Steel 3 x 1 1 4 Toe Immobilizer Easily transportable and come with Endoscopy Easily transportable and come with a compact carry bag making it ideal for traveling * Ideal for use indoors and outdoors * Folding backrest * 18 square nylon seat canvas with lift up straps * Comes with parking wheel locks * Comes with padded flip up desk arms and height adjustable footrests * 8 solid tires * Weight capacity 250 lbs * Seat 18 W x 18 D 30 psi * The inexpensive way to reliably measure hand and finger strength * With an indicator dial that remains at the maximum reading until reset * Calibrated in psi * * Construction: Heavy Guage Cold Rolled Steel Formed For Strength * All Single Wheel Castes Come With Removable Bolt And Locknut Allowing Disassemlby For Easy Cleaning And Removal Of Build Up Grime Thread Or Anything Else That Your Wheel Picks Up During Normal Usage