ITEM NAME:AC Auto 2 Sizes Tire Stem Valve Cores Remover 2pcs R3B6 AC Auto 2 Sizes Tire Stem Valve Cores Remover 2pcs R3B6 Product Name: Valve Core Remover; Package Content: 2 x Valve Core Remover Color: Red, Silver Tone; Material: Metal Dimension: Total Size: 84 x 16mm/3.3" x 0.63"(L*D); Handle Size: 21 x 16mm/0.8" x 0.63"(L*D) Shaft Size(Small): 31 x 5 x 2mm/1.3" x 0.2" 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) 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.Dual ends with 2 different sizes to cover all the valve cores in the field jobs. Will also work on automotive/truck tires, R12/134A automotive AC systems and bicycle/motorcycle tires,ect.