Dual ends with 2 different sizes to cover all the valve cores in the field jobs. Has two different size ends for both small and large bore valve cores including residential/refrigeration/commercial and automotive valve cores. Has a nonslip knurled knob for easy turning. Use in air conditioning and refrigeration. Will also work on automotive/truck tires, R12/134A automotive AC systems and bicycle/motorcycle tires,ect. 55" (Length*Diameter); Handle Size: 21 x 16mm/0. 8" x 0. 63"(L*D) Shaft Size(Small): 31 x 4. 5 x 2mm/1. 3" x 0. 18" x 0. 08"(L*D*Inner D) Shaft Size(Bigger): 31 x 6 x 3mm/1. 2" x 0. 24" x 0. 12"(L*D*Inner D).
