Park 104 work tray for park repair stands except oversize large tray for keeping tools and small parts close to hand whilst working on your bike fits all park tool repair stands except prs 2os prs 3os prs 4os and prs 15 the current park prs 5 workstand with black vertical tubing works well with the 104 tray however the pre 2002 prs 5 workstand with blue oval 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 in