4" Locking Wrench

Vise-Grip, 4LW, 4" Locking Wrench, Designed To Lock On 3 Sides Of A Hex Fastener, Tremendous Force Can Be Applied Without Damaging Or Slipping Off Fastener, Adjusts To A Range Of Sizes From 1/4", 7MM To 9/16", 14MM, Eliminates Need For Different Standard & Metric Combination Wrenches.