National catalog model No. V281. The heavy strap hinge is designed for applications with wide mounting surfaces. Tight pin for right or left handed applications. Rust-resistant; ACQ safe - safe for use with premium woods like cedar and redwood. Patented bearing design eliminates metal-to-metal contact for smooth, quiet operation. Meets ANSI/BHMA A156.20 bearing grade cycle requirements (100K). Made of stainless steel. 1 per pack.