Designed to lock on three sides of a hex fastener. Tremendous force can be applied without damaging or slipping off fastener. Adjusts to a range of sizes from 7/16" (11MM) to 3/4" (19MM). Eliminates need for different standard & metric combination wrenches. Trigger release allows one-handed operation.
- Locks on 3 sides of fastener
- 7/16" to 3/4" fasteners
- Trigger release
- One-handed operation
