Electro Hydraulic Clamshell Grab opperates through electricity at 380-440 Volts.Opens and closes by electro motor. Manufactured in range of 1 cbm to 50 cbm capacity. It has been widely used in ports, steel plants, power stations, ships and garbage treatment plants, and is used together with tower cranes, ship cranes, ship unloaders, traveling cranes and other type of cranes.