This product is a 2-piece set of Lisle 12pt Triple Square Internal Wrench Bit Set, consisting of sizes 10mm and 12mm. Made of heavy-duty steel in the United States, this non-ratcheting wrench set is designed for metric measurements. The model numbers LISLE 60790-60780 are included in the set, providing durable and reliable tools for various applications. Perfect for home and workshop use, this USA-made wrench set offers precision and quality for your projects.