This is so easy to use – no more guessing at stud sizes. This stud wrench adjusts easily by squeezing and turning; it distributes equal force on all sides of the stud. Will not slip, strip or round-off fasteners. It’s easy on your knuckles, too. SAE/metric sizes covered:5 SAE sizes, 1/2, 9/16, 5/8, 11/16, 3/4 inch, and 9 Metric sizes, 12, 13, 14, 15, 16, 17, 18, 19, 20mm.Height:6 inches, 152mm.Maximum Width:4 inches, 102mm.Weight:0.5 pounds, 227 grams.Steel:Hardened, cold-rolled, steel-laminate construction.Steel Coating:Industrial-quality, black-oxide finish resists rust, corrosion and chipping.Jaws:Hardened steel with environmentally friendly, corrosion resistant coating.Cushioned Grips:Double thickness for comfort.Technical:Meets or exceeds applicable ANSI standards.Manufacturing:Quality made in U.S.A. at ISO/TS 16949: 2002 facility.Guarantee:Forever.







