A workstand accessory built to keep tools, lubes and spare parts close at hand Fits the Park Tool PRS15, PCS-10 and PCS-11 repair stands #106AC accessory collar (PK-1501) will allow tray to be mounted to PCS-1, PCS-4 and PCS-9 repair stands #106AC will also adapt the paper towel holder to PCS-1/4/9 stands Retailers are not permitted to sell on the Amazon.com marketplace unless authorized in writing by Park Tool