Catalog
Settings
Update catalog
Upload a newer Hercules seal catalog (PDF) or a JSON/CSV overlay to refresh list prices, dimensions, and add new parts. Updates stay on this device and layer on top of the built-in 2026 catalog.
Currently using the built-in Hercules 2026 US Seal Catalog.
Install on home screen
QuickKit Seals is installable. On iPhone use Share → Add to Home Screen. On Android use the browser menu → Install app.