National catalog model No. V283. The heavy-duty 3-1/2 In. gate hinge accommodates 2X3 vinyl gate construction. Rust-resistant; vinyl safe, ACQ safe - safe for use with premium woods like cedar and redwood. Patented bearing design eliminates metal-to-metal contact for smooth, quiet operation. Extruded aluminum construction. Made of aluminum. 1 per pack. Carded.