The Park Tool Plastic Work Tray is a large tray ideal for holding small parts and tools whilst you work on your bike. The tray has deep sides so small items stay put and a variety of slots and holes that hold any size or shape tool. Park Tool Plastic Work Tray Features Fits all Park tool Repair Stands except PRS-2OS, PRS-3OS, PRS-4OS, and PRS-15 The current PRS-5 (2002) uses a black vertical tube that mates well with the 104 tray Pre-2002 PRS-5 models use a blue oval tubing This blue tubing has marginal but adequate contact with the 104 tray The 104 tray must be removed for the PRS-5 to be folded and stored into the bag More info