Product Specificaton: Length: 80mm Width: 17mm (at the widest point) 3 Holes size: 6.5mm, 6mm, 5mm Material: hardened iron Package Quantity: 12 Pcs Hammer-In Vine Eyes Made from hardened iron, hard and not easy to bend. Ideal for training climbing plants up walls or fences, Simply hammer into the mortar between the bricks and attach wire through the holes. Metal securing points with a choice of 3 eyelets to adjust the distance between guide wire and wall randomly without having to knock in or pull out again. Holes of different diameters can accommodate multiple sizes of wires. Service guarantee: Please feel free to e-mail with any questions you may have. We can provide a free replacement or refund for defective products.