1.Material: with excellent corrosion resistance and excellent elasticity, it is strong and durable.2.Hole diameter and length: Complete specifications, which includes M0.9 x 2.5mm/0.098 inch, M1.3 x 2.5mm/0.098 inch, M1.5 x 2.5mm/0.098 inch, M2 x 2mm/0.079 inch, M2.5 x 2.5mm/0.098 inch, M3 x 3mm/0.12 inch, M4 x 4mm/0.16 inch,M5 x 4mm/0.16 inch.3.High quality: Good toughness, not deformed when connected, reliable transmission, easy inspection, good fatigue performance, no rust, no pollution, safe and reliable.4.Precise craftsmanship:The salient feature is detail part : smooth surface, rounded edges. No burr in any sight.5.Widely use: Widely used in mechanical Engineering, or daily living equipment, such as leather bags, handbags, shoes, hats, travel bags, clothes, jeans, etc.colour:YellowMaterial:copperPackage Contents:100 * M0.9 x 2.5mm Rivets100 * M1.3 x 2.5mm Rivets100 * M1.5 x 2.5mm Rivets100 * M2 x 2mm Rivets100 * M2.5 x 2.5mm Rivets50 * M3 x 3mm Rivets50 * M4x 4mm Rivets50 * M5 x 4mm RivetsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.