A versatile and convenient way to keep tools, supplies and technology at arms-length on most professional single and double arm Park Tool repair stands Fits PRS-4.2, PRS-3 OS, PRS-3.2, PRS-2 OS and PRS-2.2 stands 19 tool holding holes, slots and small trays in a variety of shapes and sizes Integrated mounting holes for PTH-1 Paper Towel Holder (not included) Adjustable utility hook to hang wheels, parts and scales Can be installed on a fully assembled stand Phone/tablet/clipboard holder and pen/pencil holder 14` (35cm) magnetic tool bar PRS-TT PRS-4.2/PRS-3 OS/PRS-3.2/PRS-2 OS/PRS-2.2