€¢ 1/2 inch Wide x 1-1/8 inch Diameter hard white PP wheels are mounted to adjustable length stamped steel platform to support and add mobility to heavy refrigerators and appliances €¢ Low profile rollers should be placed on the exterior of appliances to aid in mobility and add 1-1/2 inch to the overall height €¢ 1200 lb Load capacity per set (of 2) spreads the load across 32 inchdependent wheels €¢ Adjustable length from 16-5/8 to 25 inch with integrated length-locking wing nut €¢ A great choice when heavy appliances need to be mobile for cleaning or installation and not recommended for laundry equipment or on hardwood or cushioned vinyl floors >> The Shepherd Hardware Stamped Steel Appliance Rollers adjust in length from 16-5/8 to 25-1/4 inch. They boast a 1200 lb load capacity and easily move refrigerators; washers; dryers and other heavy appliances."