This is a set of auto refrigerant assembly ac repair tools. - Hose Size: 1/4"x3/16", 1/4"x1/8", 3/8"x1/4", 1/2"x1/4". - Adapter Size: 1/4"x1/4", 1/4"x3/16", 1/4"x1/8". - Easy to use and install. - Strong seal construction with highly detailed craft.
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