The PressFast Hydraulic Copper Press Tool for 1/2 in. 3/4 in. and 1 in. Fittings With Relief Valve is an essential labor saving tool. Unlike traditional hand tools, which rely on the principle of leverage and hand strength, our hydraulic copper pipe crimping tool have a built-in hydraulic cylinder that significantly reduces operating force. 1-person can easily complete leak-free connection, improve work efficiency.. Compatible Pipe Material: Copper. Number of Jaws/Rings Included: 3. Power Type: Manual. Product Weight (lb.): 5 lb. Returnable: 90-Day. Tools Product Type: Hand Tool. Voltage: No Voltage. Compatible Pipe Size (in.): 1 in.,1/2 in.,3/4 in.. Maximum Pipe Diameter (in.): 1 in. Product Depth (in.): 15 in. Product Height (in.): 2.5 in. Product Width (in.): 4 in. Compatible Pipe Material: Copper. Number of Jaws/Rings Included: 3. Power Type: Manual. Voltage: No Voltage