The B-52 manhole cutter from Mr. Manhole is designed to remove a manhole frame and lid from the road quickly and efficiently, completing its job in 10 minutes. The cutter has four arms and four cutting blades, and a total of 16 easily replaceable carbide teeth that cut easily through concrete and asphalt. It has a cutting diameter of 52 inches with add-ons available to make it adjustable from 34 to 64 inches. Designed to work with a skid-steer loader, systems allow the operator to see the operation clearly. The whole system is run on a hydraulic motor, which is fed through the auxiliary of the skid-steer loader. The full package includes the cutter, standard speedplate and debris-containment system. 419/741-9075; www.mrmanhole.com.