Home / Tools / 301 ALLEN KEY Category: Tools Description Description The Tube Clamp Allen Key is the only tool required to tighten up a Tube Clamp/Q Clamp fitting. Related products 124 VARIABLE ELBOW 15*- 60* Read more 145 RAILING SIDE SUPPORT (HORIZONTAL) Read more 140 GATE HINGE Read more 138 GATE EYE Read more