7" Locking Wrench

Using proven Vise-Grip technology, this tool locks on 3 sides of a hex head fastener. Tremendous force can be applied without damaging or slipping off the fastener. Helps eliminate rounding of head caused by slippage. Locking wrench adjusts to a range of standard and metric wrench sizes. Wrench has wire cutter and knurled jaw tips. Carded.No. 4-LW: 4", adjusts from 1/4" (7mm) to 9/16" (14mm)No. 7-LW: 7", adjusts from 7/16" (11mm) to 3/4" (19mm)No. 10-LW: 10", adjusts from 5/8" (16mm) to 1-1/8" (28mm)