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The GREENLEE LS50L11B is a 12-piece hydraulic standard punch kit designed for punching clean, round holes in mild steel sheet metal up to 14 gauge. The kit is built around the LS50L battery-powered hydraulic driver, which delivers consistent punching force without the need for a separate hydraulic pump or hand tool. Hole diameter range spans 1/2 inch to 2 inches, covering the most common conduit and fitting knockouts encountered in commercial and residential electrical work. The 18V lithium-ion battery system keeps the driver cordless and mobile on the job site. This kit is installed and operated by licensed electricians and electrical contractors.
The LS50L11B is suited for electrical panel work, junction box fabrication, and enclosure knockout applications where precise, repeatable hole sizing is required. The 1/2-inch to 2-inch diameter range accommodates standard conduit sizes commonly punched during service panel installation, equipment enclosure prep, and industrial control panel builds. The cordless hydraulic driver makes overhead and confined-space punching practical without stringing hydraulic hoses or extension cords for a separate pump unit.
Designed for use with Greenlee Slug-Buster punch and die sets compatible with the LS50L battery hydraulic driver platform. The included draw studs (part 31872 and part 20963) are matched to the punches and dies provided in this kit.
This kit is intended for use by qualified electricians working in accordance with applicable NEC requirements. Before punching any enclosure or panel, de-energize and lock out the equipment per NFPA 70E safe work practices. Ensure the punch, die, and draw stud are properly aligned and fully seated before activating the driver. Do not exceed the rated 14-gauge mild steel capacity, as overloading the punch can damage tooling or the driver.
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