Function: a tool and create more utility function with the smallest size that is EDC environmental protection tool has the advantages of simple operation and easy to carry metal materials durable a variety of practical screw head [from 3MM-10MM six angle screw head 1/4 universal casing bottle opener bicycle rims slack adjuster a cross T10 plum first independent screwdriver etc.] here I mainly talk about T10 Torx head [one of them according to size of M48 SOG and BANCHMADA141 etc. those who hate the axe T10 fixed the problem is used in T10 plum blossom end unless you have an axe screw loose can not T10 fixed]. The function has a bottle opener on the function operation may be a bit awkward more familiar with many times after all is only the operation between two thumb tools leverage co.. There are clamp on your little finger instantly "octopus" and become the first attack defense.