If you have any other questions during the shopping process or about the goods' quality, please do not hesitate to contact us, we will try our best to provide you with sincere services. SPECIFICATION Size: M2 x 4mm(D*L) Head Type: Flat Countersink Head Drive Type: Phillips Drive Material: 316 Stainless steel Note: 1. Please allow 1-2mm error due to manual measurement. 2. The color of the product may vary slightly due to different displays