The credit card companion is a useful and handy tool featuring serrated blade as well as combination of a bottle opener, power lens, toothpick, compass and tweezers. The credit card companion is very light in weight and also very slim that you will not even know you are carrying it. The serrated blade is very sharp and can cut even the toughest materials very easily. it packs easily for travel both off as well as on road. It is made of solid black ABS plastic making it long lasting. A must buy!