• Helps you to quickly and easily inspect engine compression on both 4-stroke and 2-stroke engines
• Redesigned and Improved billet gauge manifold with integrated pressure release valve
• Easy to read precision 0-300 psi analog gauge with protective rubber boot
• Hose and adapters included for 10 mm, 12 mm and 14 mm spark plugs
• Integrated quick disconnect fitting for easy hose installation and removal
• Nylon storage pouch

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