Excellent PerformaceThe pro press copper crimper tool body is made of aluminum alloy, light to carry and hydraulic power can save labor to press. Wide ApplicationCompatible with Viega Copper,Pro-Press,Elkhart,Conex Pipe Fittings. 360° Rotating HeadThe rotating head makes the plumbing tools easier in some locations. Changeable Crimping JawsCopper Pipe Crimping Range 1/2", 3/4", 1" Crimping AdvantagesThe pipe crimping tool is with leak-free connections created ,No more brazing, soldering or flaring.Secure crimping in seconds; Automatic locking of pressing tongs Easy operation Change the crimping jaws effortlessly from different sizes 1/2, 3/4 and 1 in seconds. With a ball bearing springs inside, simply slide in and out to change the crimping dies for pipe repair and maintenance.