Screw Size: M12Overall Length: 140mmEye Nut Height: 50mmInner diameter of the ring: 29mmSleeve Inner Diameter: 12mmSleeve Length: 62mmSuggested Hole Size: 16mm Dia.Total Weight: 213gMaterials: 304 Stainless SteelApplication: Concrete and masonryPackage Content: 1 x pcs M12 x 100 Expansion Eye Bolt