Description: 12 Pieces M5 aluminum body with aluminum mandrel, all aluminum no plastic, blind rivet dome head open end Strong, lightweight, corrosion-resistant and rustproof, easy installation Commonly used to connect two pieces of material in a quick efficient way Multipurpose, great for rubber dinghy, kayak, inflatable boat, rowing boat, fishing boat to secure deck lines or run shock cord rigging Also perfect for race cars, snowmobiles, trailers & general repair Specification: Material: Aluminum Color: Black, silver Quantity: 12 Pieces Size Chart: M5x25 Overall Length: Approx. 58 mm/2.3 inch Head Length: Approx. 25 mm/1 inch Rivet Diameter: Approx. 5 mm/0.2 inch M5x20 Overall Length: Approx. 52 mm/2.05 inch Head Length: Approx. 20 mm/0.79 inch Rivet Diameter: Approx. 5 mm/0.2 inch M5x16 Overall Length: Approx. 50 mm/2 inch Head Length: Approx. 16 mm/0.63 inch Rivet Diameter: Approx. 5 mm/0.2 inch M5x14 Overall Length: Approx. 50 mm/2 inch Head Length: Approx. 14 mm/0.55 inch Rivet Diameter: Approx. 5 mm/0.2 inch M5x12 Overall Length: Approx. 42 mm/1.65 inch Head Length: Approx. 12 mm/0.47 inch Rivet Diameter: Approx. 5 mm/0.2 inch M5x10 Overall Length: Approx. 42 mm/1.65 inch Head Length: Approx. 10 mm/0.4 inch Rivet Diameter: Approx. 5 mm/0.2 inch M5x8 Overall Length: Approx. 42 mm/1.65 inch Head Length: Approx. 8 mm/0.31 inch Rivet Diameter: Approx. 5 mm/0.2 inch Package Includes: 12 Pieces Aluminum Rivet(6 Pack) Note: Please allow slightly difference due to manual measurement. Color may be slightly different since different monitor. Thanks!