R410A Brass Charging Adapter
 

AD-78
Female 1/4" SAE To Male  1/2" 20UNF R410A Adapter 1/4"SAE Female With Depressor To 5/16"SAE Male With Schrader
 

AD-87
Male 1/4"  SAE To Female 1/2" 20UNF R410A Adapter. 1/4" SAE Male With Depressor to 5/16" SAE Female With Schrader