Description:  <br>  M3 Bolt Nut Metric Acrylic Screws Hex Nuts Crosshead Plastic Nylon<br>  <br> Specifications:  <br> Material: Acrylic<br> Color: Transparent Color<br> Dimension(thread diameter): M3 (3mm)<br> Length: 20mm 25mm  6 Tpye Optional~ A: 100Pcs   M3x25mm  B: 50Pcs     M3x25mm  C: 20Pcs     M3x25mm  D: 100Pcs   M3x20mm  E: 50Pcs     M3x20mm  F: 20Pcs     M3x20mm <br>  <br> Package Includes:  <br> 1 x 100\/50\/20 Pcs Screws and Nuts<br> Size: A(thread diameter) X B(thread length)  Details pictures: