HeliCoil 5521-6 3/8-16 Inch Coarse Thread Repair Kit Other Automotive Air Tools Will NOT damage drain plugs

Will NOT damage drain plugs

5pc Spark Plug Socket Set

9/16" Long Fractional Hex Bit Socket

Heat treated and tempered for file hard threads

HeliCoil 5521-6 3/8-16 Inch Coarse Thread Repair Kit Other Automotive Air Tools Will NOT damage drain plugsHeliCoil 5521 6 3 8 16 Inch Coarse Thread Repair Kit HeliCoil 3 8 16 Inch Coarse Thread Repair Kit HeliCoil Inserts Permanently restore damaged threads for their original size and condition in any part of material Provide stronger assemblies anywhere there is a tapped hole Eliminate thread wear, corrosion, galling, seizing and rust Available in inch metric, spark plug and pipe thread sizes for a wide array of applications Whats included? 12 Inserts: