Backup wrench

Piper backup by Muskegon

Backup wrench – The Piper backup wrench rests on the flange and when done torquing the nut on opposite side of the flange, you simply release by a few hits of a hammer.

Backup Wrenches


Lokrite box-end style wrench
Lokrite open-end style wrench
For all of your standard bolting applications.
• Pinch-point free
• Hands-free

Backup Wrenches

Load Release Backup Wrenches

After tightening the nut on the other side, this backup can be taken off by simply loosening the bolt and releasing the backup wrench.