Recessed : This brass extension rod helps place an inflator at tight tire inflation points, making routine air fill tasks easier on car and motorcycle wheels. Brass Rod Build: The metal body supports everyday tire service, while the narrow rod shape fits neatly into compact inflation access areas on common wheel setups. Thread Included: The rod uses an 8V1 external thread with a 5/16 32 internal thread, and it comes with a 1/4 adapter to fit checks before inflation work. Useful For Daily Maintenance: Keep this extension rod in a garage drawer or tool bag when you need better access for car or motorcycle tire inflation and regular air fill service. Simple Two Piece Set: You receive a brass extension rod and an inflation adapter, giving you a compact tire service set that is easy to store between maintenance jobs.