... : SDModel Number: 42,43,50,57,65,75,121mmType: Lifting Tool Partscolor: blackPackaging & Delivery Packaging Detail:in carton boxDelivery Detailaround 7 ... lock joint thus raising the drill.The raiser is a tool used for hanging the drill rod joint or lock joint ... raising the drill.Main boby is made of high quality tool steel,forged into shape.It has high strength,safetyand reliability ...