Manhole Barrel Clamps make lifting a breeze. Engineering and Geometry join together for a win here. Drop these on the edge and they won’t let go until you lift them off by the handle. They come in various capacities ranging from 3300 to 11,000 lbs. We just need to ensure the clamp thickness is right for your applications. Viola, you are no longer looking for the right lifting device for a given brand of barrel.