Thank you very much for your feedback! We are glad that you are satisfied with the quality of the bricks we provided. We apologize for the inconvenience caused by the missing package, but we are pleased that you are satisfied with the prompt response and resolution provided by our customer service team. We will continue to strive to maintain the quality of our products and level of service. We look forward to serving you again!

The model you chose is a pin with small friction. We have pins with greater friction.