3/16 tubes Apocardator 5/8. Mod. RR-525 Universal. The Aperoinar¬ † tool is suitable for 3/16-5/8 inches tubes (5-16mm). widely used in refrigeration, petroca√ ≠ mica, energy ≠ a, construction naval, metal and other condenser industries, refrigerators, heat exchangers, boilers and other manu