This is a fine Metal Pick 4 way set that includes one pen type handle stem and 4 different extremely sharp metal picks that screw into it.  Metal picks include straight, 90 degree, hook & reach behind picks to get to any hard to reach areas.  The metal pick set is a classic tool for welders who use them to quality check welds.  Item comes with handy fold together case to keep the variety of metal picks in one place.