This electro-hydraulic hole puncher from Hougen is a powerful and efficient solution for creating precise holes in various materials. With an impressive punching pressure of 26.9 tons, it can easily handle both round holes up to 15/16" in diameter and oblong holes measuring up to 11/16 x 13/16". The compact design eliminates the need for external hydraulic hoses, making it simple to operate with just a power cord. Capable of punching through materials up to 1/2" thick in as little as four seconds, this tool is ideally suited for professionals seeking reliability and speed in their projects. Additionally, the power retract feature ensures a seamless operation, even if the punch experiences resistance when returning to the home position.