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.