Dave gave me one of these about a year ago and I used it all the time. It is a lock back knife with a box cutter on one end and a knife blade on the other. It was the handiest tool in my kit. I lost it and hunted several places to find one. Finally I gave up and asked Dave where he bought his -O' Reilly Automotive was the answer. It was in the tool section and about $20.00. A bargain at twice the price. I now have one so Barb, never mind.