Medium Eye Screw Eyes 1-5/16 Inch #110 Zinc Plated Steel 8 Pack. Medium eye 0.14 wire diameter. Hole Diameter 0.31 inch. Overall Length 1.32 inch. Thread Length 0.56 inch. Safe Working Load is 30 pounds. Medium eye screw eyes are used for a variety of hanging operations. Easy installation. Sharp screw point bites into wood easily and quickly. For interior and exterior applications. Manufactured from steel wire. For a schematic click on Specifications above.