Hello everybody~ This is Gaode Equipment Co., Ltd. We are a professional manufacturer to product prestressing anchor. The kinds of prestressing round anchor is mainly used for bridge and railway. Usually, concrete prestressing anchorage has two specification: 12.7mm and 15.24mm. But before we send quotation, we need to know you want four parts, three parts or two parts. One of our customer place a trial order of prestressing round anchor, the specification is 15.24mm, 12 strands four parts. The anchor will be applied for his bridge project, our customers are all satisfied with our anchor system, so look forward to his big order.