Features:_x000D_ _x000D_ Removing broken or damaged screws, bolts and fasteners without any effort. _x000D_ Suitable to remove any available terms such as bolts, screw and stud whose diameter varies from 4mm to 25mm. _x000D_ Comes in a storage box with 12pcs: 6 pcs for screw extractors and another 6 pcs for drills. Very convenient and practical to put your all these tools in place and carry them to anywhere. _x000D_ Made of high quality material, durable enough for a long term use. _x000D_ Whether your are a professional or hobbyist, you all can keep such a set of tool at home in case of any necessary situations. _x000D_ _x000D_ Specification:_x000D_ Material: Steel_x000D_ Color: Shown as pictures_x000D_ Drill Bit Sizes: 3/32", 1/8", 3/16", 1/4", 5/16", 3/8"_x000D_ Screw Extractors(6Pcs):_x000D_ #1(Dia: 4.0mm/0.15") for 4-6mm/0.15-0.23"_x000D_ #2(Dia: 4.5mm/0.17") for 6-8mm/0.23-0.31"_x000D_ #3(Dia: 6.5mm/0.25") for 8-11mm/0.31-0.43"_x000D_ #4(Dia: 7.5mm/0.29") for 11-14mm/0.43-0.55"_x000D_ #5(Dia: 11.0mm/0.43") for 14-18mm/0.55-0.70"_x000D_ #6(Dia: 15.0mm/0.59") for 18-25mm/0.70-0.98"_x000D_ Storage Box Size: Approx. 19x10x4.5cm/7.48x3.93x1.77"_x000D_ Weight: Approx. 410g_x000D_ _x000D_ Packing List:_x000D_ 1 x 6Pcs Screw Extractors_x000D_ 1 x 6Pcs Drills_x000D_ 1 x Plastic Storage Box