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PITTSBURGH (KDKA) – A student in Wisconsin has taken matters of school safety into his own hands.

He created a device in his metal shop class, which could save lives.

It’s called “JustinKase” and it’s designed to keep a shooter from getting into a classroom.

It starts with two steel plates cut to a specific shape. Handles are welded to them, then a rod and tube are welded on to connect the end plates. Finally, a locking knob is added.

Because the plates are locked into the door jams, they prevent the door from being opened even with immense pressure.

The device retails for $95, but to the young welding enthusiast turned entrepreneur, the safety of students and staff is priceless.

For more information on the product, click here.