Motion Pro Compression Tester with 10mm, 12mm & 14mm Adapters

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 10mm, 12mm and 14mm spark plugs Integrated quick disconnect fitting for easy hose installation and removal Nylon storage pouch