Large Refrigerant Oil Injector Tool Type A/C Oil and Dye Injector Application Automotive A/C Vehicle Make/Model/Year All Makes/Models/1993 to Present Material Steel For Use With R-134A A/C System Outside Diameter 2 in Overall Diameter 2 in Overall Length 9 in Overall Width 12 in Number of Pieces 3 Includes Couplers Hose Size 2 1/2 in x 12 in x 3 in Vehicle Make Universal Vehicle Model Universal Vehicle Model Year 1993-Present