11-one multi-function card knife, Double Serrated Knife Universal Card Size:6.9 x 4.5 x 0.2 CM. Material: Stainless steel. Multi functions: this knife can be used as Can opener , knife edge , screwdriver , Ruler , Bottle opener , position wrench , butterfly screw wrench , saw blade , direction auxiliary indication , position wrench. This Survival Tool is small then a credit card, easy to carry ,it's ideal for camping, hiking, backpacking, hunting, trail riding, or just to keep in your car. Functions: Can opener, Knife edge, Screwdriver, Ruler, Bottle opener, Butterfly screw wrench, 2 position wrench, Saw blade, Direction auxiliary indication, 4 position wrench, Key chain hole, Material: high quality stainless steel. Hardness: 55HRC. Package includes: 1 x Mini Multi-tool. 1 x Black Leather Package