Back-up & Release for torquing applications

The Fastbak is a quick release reaction arm for hammer wrenches that employs an adjustment screw.  The Fastbak can be use with Fastorq hammer wrenches from 1-1/16" to 3-1/8" or 30 mm to 80 mm. 

Other sizes will be quoted upon request.

Hammer Wrench Nut Sizes:

1-1/16"     1-13/16"     2-9/16"

1-1/4"       2"               2-3/4"

1-7/16"     2-3/16"       2-15/16"

1-5/8"       2-3/8"         3-1/8"

Fastbak Instructions

Fastbak Spec Sheet

Photos