National Hardware's 3/16" x 5 1/2" Eye/Eye Turnbuckle is designed for tightening or drawing together various lines and cables. Storm Shine Finish for style and high resistance to corrosion & abrasion. Safety supports a working load of 45 lbs. Caution: Do not use for overhead lifting, support of human weight, athletic or playground equipment. For exterior applications Made with steel for durability. National Hardware's Lifespan™ Limited Lifetime Warranty