The Bionic Stud Wrench

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.