"The Northern Industrial Welders Magnetic Square is a powerful magnetic clamp that aids in hands-free welding. Magnet is enclosed in a steel casing to protect against iron, scrap, dirt and other contaminants. Product Type Clamp, Adjustable Yes, Pulling Power lbs. Approx. 45, Dimensions L x W x H in. 5 7/8 x 3 3/4 x 1."
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