Screw Size: M12Overall Length: 120mmEye Nut Height: 48mmInner diameter of the ring: 29mmSleeve Inner Diameter: 12mmSleeve Length: 50mmSuggested Hole Size: 16mm Dia.Total Weight: 196gMaterials: 304 Stainless SteelApplication: Concrete and masonryPackage Content: 1 x pcs M12 x 80 Expansion Eye Bolt