[90 sets of 6 sizes]M5x4mm, M5x5mm, M5x6mm, M5x8mm, M5x10mm, M5x12mm, 15 PCS of each size. [High quality material] these Chicago screws are made of high quality carbon steel with nickel plated surface, clear grain, smooth and burr-free, waterproof and durable, no rusting. [Excellent design] chamfered design is safer, deep thread, not easy to slip during rotation, even force and good tightening strength. [Widely used] These leathercraft rivets are especially suitable for DIY various leather crafts, as a fixed or decorative items used. For example: belt connection, bag decoration, clothing decoration, key bag nails, stationery ledger nails, photo album nails, calendar screws, etc. [Easy to install] pick the right length of screw, put the stud through the hole, align the nut with the stud and tighten the screw. Note: When installing, the hole please do not exceed 4mm, if the hole is too large, it is easy to cause the screw to fall off. Material:carbon steel colour:Brown / Silver / Black Package Contents: 1 set * leather rivets Only the above package content, other products are not included. Note: Light shooting 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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!