Use this 39-piece socket wrench set KRTH30103 from Kreator to loosen or tighten nuts and bolts. The set contains different sizes, so that you always have the right socket wrench at hand. The included extensions offer you the necessary freedom of movement. Handy for nuts and bolts that need to be screwed in in hard-to-reach places. The set comes in a handy storage case that you can easily take anywhere.