"DESIGNED FOR ACCESS OF TEMPERATURE, HYDRAULIC, PNEUMATIC AND/OR ELECTRICAL DIAGNOSTIC TIPS; 2.18 INCH IN LENGTH; END ONE IS 0.500 INCH; END TWO IS 0.438 INCH WITH UNF 20 THREADS; END THREE IS 0.500 INCH; STANDARD STATIC PRESSURE IS 10,000 PSI; STANDARD DYNAMIC PRESSURE IS 6,000 PSI; HEIGHT IS 1.062 INCH"