Spring Lock Install Tool Tool Type Spring-Lock Release Tool Application Automotive A/C Vehicle Make/Model/Year All Makes/Models/1986 to Present Material Steel For Use With Audi Model A/C System Volkswagen Model A/C System Outside Diameter 3/4 in Overall Diameter 3/4 in Overall Length 2 1/2 in Overall Width 1 1/2 in Number of Pieces 1 Includes 1 VW/Audi Spring Lock Tool Size 4 in Vehicle Make Universal Vehicle Model Universal Vehicle Model Year 1986-Present