COMPATIBILITY: These adapters are designed to fit our compression tester W80579 and others with a 14mm x 1.25 male thread, providing compatibility with a range of testers. MULTIPLE ADAPTERS: This set includes 10mm x 1.0, 12mm x 1.25, 18mm x 1.5, and the special 16mm x 1.5 Ford adapter, ensuring you have the right size for your engine.
