HPCs Clean Grip Impressioning Tool holds onto the center of the key blank, not by the face. This eliminates the possibility of scratching the key blank, while providing a firm hold. It has a unique locking mechanism with a retaining pin that ensures a tight grip in the key blank. The cushioned handle is comfortable and easy to hold.This tool will hold a variety of key blanks and has been designed to be simple, quick, and dependable. With the key blank locked in place, you are ready to impression with confidence. Try it the next time you need to impression a lock.