Item Name: +-1mm Material: Aluminum ABS Quality guranteed Package included:4pcs/set Tips: Dear friends 1. All photos are real photos. 2. Please verify the Size before Purchase(As the measuring way, there maybe have 1-2mm error). 3. Due to differences in shooting equipment, monitors, and production batches, there may be slight color differences in the product, which is normal. Please refer to the actual product. We have tried our best to restore the true color through professional equipment, but we still recommend that you view it under natural light for the most accurate visual effect. Before the product is shipped, we will select durable materials and pass strict quality control to ensure that it is still intact after long-distance transportation. Use shock-proof and moisture-proof packaging with built-in cushioning material