This kn/fe can be used as Can opener ， kn/fe edge ， screwdriver ， Ruler ， Bottle opener ， position wrench ， butterfly screw wrench ， saw blade ， direction auxiliary indication ， position wrench ，This Survival Tool is small than a credit card， easy to carry ，it's ideal for camping， hiking， backpacking， hunting， trail riding， or just to keep in your car.This item is essential tool with multi-functionality out door survival.Type:Hand Tools，