Piper Backup Wrench Sets
PIPER Backup tool, a hands free backup wrench that holds the nut securely and safely when the back nut is turning during flange torquing. The 3-piece set includes: 7/8", 1 - 1/16", 1 - 1/4". The 6-piece set adds 1 - 7/16", 1 - 5/8", 1 - 13/16". And the 8-piece set adds the 2" and 2 - 3/16" sizes.