Cherne® 270040 4 IN. TEST-BALL® PLUG, Single-size conduit cutting 999 count display mode allows

999 count display mode allows you to read measurements easily in any work environment

evacuation equipment and gauges

The metal hose protector keeps your hoses sealed and protects them from dirt and debris

Toner and probe together perform pin to pin wire map test

Cherne® 270040 4 IN. TEST-BALL® PLUG, Single-size conduit cutting 999 count display mode allowsCherne 270040 4 IN. TEST BALL PLUG, Single size Cherne Single Size Test Ball Plugs are expandable rubber test plugs designed to test drain, vent and waste systems in every type of pipe. Utilizing a standard tire air fitting for easy connections, its inflatable design can be inserted through a test tee to seal out of round pipe and hard to access openings. These plumbing test plugs are available in a variety of nominal sizes to accommodate your DWV