Industrial Magnetics' manhole-cover lift systems are designed to remove and replace manhole covers, sewer grates and more. The rare-earth magnets penetrate textured and unusual surfaces often found on manhole covers. Ideal for survey crews and single-person operation, the product line includes a dolly, a vehicle-mounted electric or manual winch, and a valve box lifter for small cast-iron covers weighing less than 50 pounds.

Industrial Magnetics, Boyne City, Mich.
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