Used To Make Smooth 45 Degree Flares In Copper, Aluminum, Brass And Thin-Wall TubingFor 3/16", 1/4", 5/16", 3/8", 7/16", 1/2" And 5/8" TubingCast-Iron Screw Yoke Slips Over Plated Bars Quickly Without Removing Heavy Duty Wing NutsHeavy Duty T-Handle Provides Maximum LeverageYoke Has Freewheeling Cone For Faster, Smoother Flaring And Greater StrengthBars Open Quickly For Easy Tubing Insertion And Removal