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