Quick crimper This hydraulic crimper provides hexagonal confining pressure with 13 pairs of hexagon crimping dies ( (AWG: 9.8.6, 4, 2, 1/0, 2/0, 4/0, MCM: 250,300, 350, 500, 600) Labor-saving operationOil return valve , quick pressure relief allows the piston to quickly reset Wide Application The crimper tool is great for battery and welding cables , power Wires , and electrical cables ,even can be rotated 180° freely for narrow space working Comfortable grip The vinyl-dipped grip is very comfortable and easy to use and Wont slip Excellent serviceAll items have been double inspected before on market