The Solinco Pro Stack 16g 1.30mm tennis string reel is a high-quality product designed for tennis players looking for durability and performance on the court. Made in Taiwan, this black string is part of the Solinco Tour Bite model, known for its excellent control and feel. With 656 feet (200m) of string per reel, this product offers long-lasting use for players looking to maintain their game at a competitive level.