These Johnson Level Magnetic BIG J™ Aluminum Levels feature an oversized solid aluminum frame, easy-read 1/2" diameter vials, and rubberized cushioned hand grips. The Magnetic BIG J™ Aluminum Levels also contain Quik-Change® replacable cover plates and vials, and oversized anti-slip/anti-shock end caps to protect the frame. Johnson Level's powerful GripTight® BIG J™ rare earth magnets are also a composing factor. These levels come in three sizes, 24", 48", and 78".

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The Johnson Level 1501 Series are heavy duty I-Beam aluminum levels. The I-Beam frame is 30 percent larger than other levels; the bigger, the better. The robust frame assures the user lifetime usage. Machined working edges provides maximum accuracy. Robust and oversized end caps help protect the level if accidentally dropped. The durable acrylic vials are 33 percent bigger that read plumb, level and plumb. White vial surrounds allows the user to view the tool in low lit conditions. This level also features hand grips that are molded and soft touch along with a magnetic aluminum end that uses rare earth magnets for a strong hold.