The Hillman 1/2" Zinc Plated Eye Bolt with Hex Nut ensures tough anchoring on fixed surfaces like wood, concrete, metal, etc. It has an eye bolt screw with a hoop on one end and threads on the other.Features Durable fixing on static surfaces Zinc plated coating makes it anti-resistant Specifications Finish: Zinc Plated Working Load Limit: 300 lb Type: Eye Bolt with Hex Nut Application: Building Hardware Length: 4" Size: 0.5-13 x 4"