This Park Tool tool tray keeps your tools handy, so you don't have to fumble around when you're working on your bike. Features: This plastic tray has handy compartments for your bike tools Fits all Park Tool workstands except oversize models Compatibility: Fits 1-3/8" and 1-5/8" (35 mm and 41 mm) upright tubes on the following Park Tool Repair Stands PCS-1 PCS-4, PCS-4-1, PCS-4-2 PRS-2 PRS-3 PRS-5 (with black upright tube) PRS-6