Check the listing for details. Chattanooga Artromot K4 Knee CPM Frame (Thigh) Part 2.0031.028. Condition: New. Listed at 12.95 USD. Chattanooga Artromot K4 Knee CPM Frame (Thigh) Part 2.0031.028 Artromot K4 Frame (Thigh) -- Part Only SHIPPINGShipping is determined by the eBay calculator RETURNSReturns accepted only if item is unopened and unused, and is the exact item sent. It must be re-sellable as new or we will not accept the return. Please note the item number shown, any cross reference to another number is the responsibility of the BUYER. We guarantee that the item being sold is represented by the part number shown. Returns of items sent with free shipping will be subject to a 20% restocking fee to cover our costs of shipment, and the buyer must pay for the return shipment. Please ask any questions you may have and we will try to get back to you with a reply as soon as possible. After receipt, if there are any problems, please contact us first so we can make things right BEFORE leaving feedback or filing a claim -- we can always work things out. Thanks for looking!7F6