This mixed lot set of 26 large counterbores is a must-have for any metalworking enthusiast. The set includes a variety of sizes and is perfect for any project that requires precision drilling. Each counterbore has been previously used, and are ready to be put to work. The set was manufactured in the United States and includes an array of counterbore types, including 000 models. With its large size and quantity, this lot set is a great value for any business or individual looking to expand their collection of metalworking supplies.