Hand dumping (opening) clamshell grab is an efficient tool for loading and unloading sands, coal, mineral powder and bulk chemic

Hand dumping (opening) clamshell grab is an efficient tool for loading and unloading sands, coal, mineral powder

 and bulk chemical fertilizer. The mechanical structure for opening & closing is succinct and original. It is easy to use and especially works for the

 crane which has one hoisting drum 

  following attached some pictures about grab produce or stock in our factory,(habn't painted)

Hand dumping clamshell grab