National Hardware's 3/8" x 4" Eye Bolt (with nut) is designed to firmly attach a securing eye to a structure for rope or cable ties, Storm Shine Finish for style and high resistance to corrosion & abrasion. Safety supports a working load of 160 lbs. Caution: Do not use for overhead lifting, support of human weight, athletic or playground equipment. For exterior applications National Hardware's Lifespan Limited Lifetime Warranty