LONGER THREAD LENGTH-overall Length =3.27inch, Thread Length =2inch, Hole Dimension = 0.47 inch; longer length makes it more secure. GOOD BEARING CAPACITY: Used for tie-downs, lifting and securing cables wires HARD MATERIAL: Made of Stainless Steel, ensures stability and strength, hard and , can prevent rust and ; Great to use in , rain or humidity WIDE APPLICATIONS: Can be used on walls, woods and many different places to hang items; Also, you can use these screw eyes to make crafts EASY INSTALL BY HAND: Very easy twist the screw hooks into wood, plywood or drywall; Each hook has a and circle end, for indoor and outdoor projects Name:Eye Shape Screws Material:Stainless Steel Color:silver Size:M6x80mm Quantity:40pcs Package Contents: 40 x Screw Eyes Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.