These are used instead of the classical backup wrenches.
are magnetic and much lighter in weight.
Safety backup systems
With the backup wrenches of the Lokrite Safety Backup Systems, you are assured of a safe way to prevent rotation.
The backup wrenches of the Lokrite Safety Backup Systems are available in several dimensions and are very solid but simple in design.
Slim design: fits on most places with a minimum of space, in width as well as in total length.
Easy handling: easy to install and easy to operate with which allows you to work swiftly.
No fingers between the backup wrenches.
Prevents the locknut / safety nut from turning.
Easy to remove after assembling.