|*Adapter sizes: 3/16'', 1/4'', 5/16'', 3/8'', and 1/2''.
*Adapters also cover metric sizes 4.8-12.7mm.
*Includes: 5 pc. Adapters.
*Whether you're doing single or double flaring on brass,copper, magnesium,aluminum or soft steel brake line tubing, this set has you sheltered and backed up in case of an mishap.