【HIGH POWER&TIGHT GRIP】 - The unique plum-shaped internal thread design provides excellent torque and can be used to rotate fasteners with deep bolts. The internal uneven concave wall helps to hold the stubborn nut, the more you turn, the tighter the grip, the easier it will not break or slip off,【COMPLETE SIZE&EASY TO CARRY】-The full size include SAE(inch)&Metric(mm) :1/4”,5/16”(8mm),3/8”,10mm,7/16”(11mm),12mm,1/2”,13mm,9/16”(14mm),5/8”(16mm),17mm,11/16”,3/4”(19mm), with 3/8 "to 1/4"hex adapter. Comes with a beautiful gift box, easy to carry, you can take it to any workplace,【MULTI-FUNCTION&WIDE APPLICATION】- Have you ever been bothered by the fact that abandoned vehicles cannot be modified? Did the deep corroded bolts annoyed you in the work of repairing the water pipe? We provide professional functional products for you to remove Damaged, Dead, Rusted, Rounded-Off Bolts,Nuts & Screws,【SURFACE PAINTING PROCESS】- The surface of each TOPEC extractor is black oxidized and coated with anti-rust oil. Compared with other extractors, this more complex process can make our nut removers more resistant to wear and tear, and will not rust so easily after a long time of use,【RELIABLE EXTRACTOR BRAND】- Topec Direct specializes in the research, production and sales of the extractor series, and has accumulated a large number of loyal fans. Once your product has any problems, our after-sale Team will get in touch with you and timely solve your problems