ITEM NAME:304 Stainless Steel Lifting Eye Bolt Ring Shape Screws Nuts Part M4 4mm Description: Lifting Eye Bolt Ring Shape Screws Nuts Marine Grade 304 Stainless Steel, Surface Polishing With great corrosion and oxidation resistance, rustproof and durable Used on boats or docks as a tie down loop Metric Size M4 - 1/4 Inch Specification: Material: 304 Stainless Steel Color: Silver Bolt diameter: Approx. 4 mm/0.16 Inch Thread length: Approx. 23 mm/0.9 Inch Total length: Approx. 60 mm/2.4 Inch Package Includes: 1 Piece Lifting Eye Bolt.Lifting Eye Bolt Ring Shape Screws Nuts. 1 Piece Lifting Eye Bolt. Marine Grade 304 Stainless Steel, Surface Polishing. Material: 304 Stainless Steel. Thread length: Approx. Used on boats or docks as a tie down loop.