Engine Oil Pressure Test Tool Kit Tester Gauge with Toolbox Low Oil Warning with 90 Coupling Adapter 1General purpose, the oil pressure gauge is equipped with a quick coupling adapter and a 1200mm long hose. Used to test oil pump pressure and low oil warning device. 2The oil pressure gauge kit includes a 90degree coupling adapter for limited access applications. 3It is helpful to diagnose oil pump and engine wear and oil pressure failure. With switch and pressure warning indicator. 4The shockproof double scale gauge is used to check the oil pressure quickly and accurately, which is convenient and quick. 5This oil pressure test tool is packed in a special plastic box for easy transportation, storage and organization. Specification Item Type: Engine Oil Pressure Test Tool Kit Material: Stainless Steel+Rubber Specification: Adapter R 1/8in 2999 Adapter 1/8in x 27 NPT Adapter 1/4in x 18 NPT Adapter 3/8in x 20 UNF Adapter 1/2in x 20 UNF Adapter M10 Adapter M12 Adapter M14 Adapter M16 Adapter M18 L: 90 Elbow Package List 1 x Oil Pressure Test Tool Kit (12pcs) 1 x Toolbox 1 x Manual 9 x Rubber Ring