Volume:1cbm to 60cbm grab material density:0.2t/m3-7.0t/m3
1. dredging grab is an efficient tool for dredging deep sides of sea or lakes. capacity between 0.5 m3 up to 15 m3
2. dredging grab is inefficient tool for dredging deep sides of sea or lakes. The mechanical structure for opening & closing is succinct and original. No maintenance required except greasing. It is easy to use and can work under any circumstances.