PREMIUM QUALITY - These wing nuts are made from 304 stainless steel which provides strength and good corrosion resistance in many situations Versatile Applications - Wing nuts are widely used in equipment requiring frequent disassembly and maintenance. USE - The head is in the shape of a wing which is very pretty and makes the nut not only a fastener but also a nice decoration Various Size Kits - Choose from 6 different sizes of wing nuts for general use. M3, M4, M5, M6, M8, M10 Packaging - They come in a box, which is portable and easy to access and store. Product material: 304 stainless steel product color: silver Product composition: M330PCS, M430PCS, M520PCS, M620PCS, M810PCS, M1010PCS