Helps you to quickly and easily inspect engine compression on both 4 stroke and 2 stroke engines.

Features:

• Redesigned and improved billet gauge manifold with integrated pressure release valve.
• Easy to read precision 0-300psi analog gauge with protective rubber boot.
• Hose and adapters included for 10 mm, 12 mm and 14mm spark plugs.
• Integrated quick disconnect fitting for easy hose installation and removal.
• Nylon storage pouch.