The 0.3135 CHK REAMER SF SS CO USA is a precision check reamer designed for accurate hole finishing and sizing. With a diameter of 0.3135 inches, this stainless steel reamer is perfect for applications requiring high precision and durability. Manufactured in the USA, it meets stringent quality standards, ensuring reliable performance in metalworking and machining tasks. Its robust design allows for smooth operation and extended tool life, making it a valuable addition to any professional toolkit. Ideal for achieving tight tolerances and smooth finishes.