The 1 IN XL STD X 12 CHK Reamer from Field Tool Supply is made from high-speed steel (HS) with a stainless steel (SS) finish, ensuring exceptional durability and precision. This reamer is designed for enlarging holes to a standard 1-inch size, making it suitable for various machining applications. With a length of 12 inches, it provides extended reach for deeper holes. It complies with industry standards, making it a reliable choice for professionals. The ergonomic design allows for easy handling, enhancing productivity and accuracy in your projects.