Chrome swivel, made of alloy steel reduces friction Forged yoke made of heat-treated steel Designed for double or single flare in copper, aluminum, soft steel brake line and brass tubing (to 45¿) Molded storage case included Shipping Weight: 2.5 lbs. Adapters available individually Included Adapters: PRT5463-01 - 3/16" adapter PRT5463-02 - 1/4" adapter PRT5463-03 - 5/16" adapter PRT5463-04 - 3/8" adapter PRT5463-05 - 1/2" adapter