National Hardware 3/8" x 10-1/2" Stainless Steel Hook & Eye Turnbuckle is designed for tightening or drawing together various lines and cables, making it i for marine and other outdoor applications. This turnbuckle excellent resistance to atmospheric corrosion and is nonmagnetic, ensuring durability and long-lasting performance. The eyes are passivated for superior corrosion resistance, while the hex-shaped body allows for easy adjustment by hand or with a wrench. Constructed with stainless steel and an aluminum body, this turnbuckle comes boxed loose for convenience. Model Number: N221-978