Bionic Stud Wrench Ultimate Stud Tool Maximum effect with minium effort. The Bionic Stud Wrench 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. SAE/metric sizes covered: 6 SAE sizes: 1/4 5/16 3/8 7/16 1/2 9/16 inch and 8 Metric sizes 7 8 9 10 11 12 13 14mm.

• 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.