I use the Irwin quick grip clamps. The shorter 12" versions are on sale in every store I go into. However, it frosts me when I see the price jacked up on the longer versions when the only change is a few inches of 1/2" X 1/8" bar stock.
Consequently, I bought some steel bar, popped the pin at the end of a 12" clamp, and slid the pistol grip off the clamp. I then rounded over the end of the bar stock with a file and pushed the pistol grip onto the bar. A hole drilled into the bar stock permits bolting the static end of the 12" clamp to the bar. I now have a 40" clamp at quite a bit less than the Irwin version.
Consequently, I bought some steel bar, popped the pin at the end of a 12" clamp, and slid the pistol grip off the clamp. I then rounded over the end of the bar stock with a file and pushed the pistol grip onto the bar. A hole drilled into the bar stock permits bolting the static end of the 12" clamp to the bar. I now have a 40" clamp at quite a bit less than the Irwin version.


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