Double Rope Clamshell grab is equipped according to the crane, which has two ropes, one for opening and closing, one for holding the grab.

The kind of grab is simple structure, convenient operation, it is a kind of efficient tool for loading and unloading granular, small-block bulk cargo, such as coal, sand, mineral powder and bulk chemical fertilizer, and which is suitable to the working site such as port, mine and yard. The lifting capacity of crane is normally 5t—100t.