J Metallic Robison Anton Embroidery Thread - Metallic Embroidery Thread Metallic - 1,000 yards 1000 yard spools of Robison Anton J Metallic Thread. Robison Anton J Metallic Thread is the highest grade thread available on the market. This is a high luster metallic thread. The thread contains a nylon core for strength and durability. Robison Anton designed this thread to work well on all embroidery machines. Please note that the real colors may vary slightly from the picture due to lighting and computer screen limitations. If interested in Robison Anton Super Brite Polyester Thread please refer to my other thread listings.