The 105 is a handy and sturdy cast aluminum tray with deep-walled compartments and assorted slots for holding tools, lubes, and small parts. Fits all PRS-2, PRS-2OS, PRS-3, and PRS-3 OS Shop Stands, as well as PRS-6 and PCS-1 Repair Stands manufactured after June 1996 (using composite top tubes). Tools not included.