Mastercool 53123-YF REFILLABLE R1234yf OIL INJECTOR Impact Drivers Ensure there is adequate space

Ensure there is adequate space behind operating hand for bolt to unthread if held in palm

The 20540 is for 12mm spark plug threads

SK Hand Tools 33369 3/8" Dr

SK Hand Tools 41448 1/4" 3/8" Drive Fractional Male Pipe Plug Socket

Heat treated

Mastercool 53123-YF REFILLABLE R1234yf OIL INJECTOR Impact Drivers Ensure there is adequate spaceTo inject the oil or dye, simply connect the injector to the low side of the A C system and twist the handle until you reach the desired amount. The injector hose comes complete with a R1234yf coupler. Heavy duty, anodized aluminum, 2 oz container with dye scales represented in 1 10 ounce, 1 4 ounce and milliliters Nylon barrier blue hose meets J2888, EPA, SAE and UL standards R1234yf low side coupler with extended disconnect sleeve and meets SAEJ639