* Made Of Forged And Quenched Vanadium Steel, Surface Oil Film Treatment, High Hardness, Safe And Durable Use* Sds-Plus Interface Adapts To All Major Brands Of Hammer And Has Strong Adaptability*The Internal Hexagonal Socket Is Standard, And The Expansion Bolt Can Be Easily Installed Or Removed By Electric Hammer Mode, Or Driven Into The Ground Rods In Hammer Mode*Can Be Used For Home Equipment Installation, Construction, Solar Installation, Large Equipment InstallationSpecification:*Material:Chrome Vanadium Steel*Socket Size:0.67'' (17mm)*Interface Mode: Sds Plus (10mm)*Total Length:6.61"(169mm)*Weight:7 OuncePackage Content:*1x Nut Driver