Talk:Medals/@comment-58.106.22.97-20120104100918/@comment-24.61.197.64-20120311174248

In response to this post ^ unless you have an amazingly steady hand, only the IMT 4.0 and Gunant's Drill will be steady enough to get the core. Ive managed to get one with the 2.7, but it was wicked difficult. Just keep drilling until the thing in the middle is the only layer left.