This is a great knife and one of our best sellers. We have been selling this at Shows for years and you will see many law enforcement officers as well as fireman and others use this as their daily knife. Of course many people who just need to cut boxes in their job use this knife as well. The blade is 440 Stainless and has a straight design all on the front of the blade. You will be very happy with how well this opens as it actually uses a Cam instead of spring to assist in opening the knife.