The Concrete T-Nails by AIR LOCKER are designed for concrete nailers, with a smooth shank measuring 1-1/2 inches. These pneumatic nails come in a pack of 1000 and are manufactured in Taiwan. Perfect for home and garden projects, these nails provide a secure and durable fastening solution for various concrete applications. With the AIR LOCKER brand known for quality and reliability, these T-Nails are a valuable addition to any workshop or tool collection.