Multi-function tool card Including knife,saw,opener,scale,etc Size:7*4.5 cm Thickness: ... 0.2cm TL-003 Credit Card Emergency Survival Knife Mini Multi Tool Card Size:7*4.5 cmThickness:0 ... contains 11 different tools in one. Theres a can opener, knife edge, screwdriver, ruler, bottle opener, 4 position and 2 position wrench ...