Hook DG315 for Well Hoisting Operation For Oilfield Drilling Rig Oilfield Drilling Rig Hook DG315 DG450 for Well Hoisting Operation This oil drilling hook is a key hoisting component for oil & gas drilling rigs. Made of high strength alloy steel by forging. It absorbs impact load through built-in spring buffer system. Multiple DG models are available for different load requirements. Suitable for onshore and offshore drilling platforms, reliable for heavy load well lifting