This product is proudly made in a small town in North Carolina, USA. We pride ourselves in producing our products with high quality and durable materials that are all made in the USA. This is a high-quality UV protected vinyl that is backed with a thick .020 magnetic material. This strong and durable magnet makes this product perfect for any metal surface This metric conversion chart magnet is perfect for any builder who frequently uses this information in their work. The product dimensions of this Standard to Metric Conversion Chart Magnet is 10.75" x 3.5" This is a magnet. The Metric system of measurement is used in most countries around the world, and is beginning to be used more frequently in the United States. This particular chart is to help with the conversion of bolt sizes to their Metric equivalents. This can be placed on any indoor metal surface, such as a file cabinet or a refrigerator, and can be used for quick and easy access to bolt conversions. This Standard to Metric Conversion Chart Magnet is perfect for any builder who frequently uses this information in their work.