All in One Clamp A-36 36-Inch Grip Clamp Guide with T-Track

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As long as you do not bear up against the edge, this guide lets you cut straight, but as I discovered cutting the bottoms off of two bathroom cabinets, if you bear against the edge with even moderate effort, the guide bows away from the line of cut, and you have damaged your workpiece.I compensated by increasing my cutting speed, and pushing the guide towards the tool with the thumb of the hand that wasn't gripping the tool (a cordless circular saw).So it will work OK if you can work around it's inherent lack of rigidity. I may get one soon myself, as I can see myself forgetting to do the thumb-pushing trick under a heavy workload. Or buy a thicker, wider guide.

This tends to make using this clamp a great deal more trouble than it's worth. I really, really like these things, but they just do not last. Every single time you engage the clamp, the "chips" make a little ding in the surprisingly soft steel rod underneath. I also don't like the way the finger grip prevents you from sliding an average sized carpenter's square flush against the far end to check your alignment. With repeated usage, you'll have a vast collection of these little dings all along the clamping bar in a matter of days, making it virtually impossible to slide the jaw/finger grip around without a great deal of force.

This is one of the best clamps/straight edge that I have ever purchased. Anyone who has trouble setting up or using one of these SHOULD NOT BE AROUND POWER TOOLS OR IN A WOODWORKING SHOP. I use it mostly for a Saw/Router guide. I wish I would have had them years ago.

It does everything I ask of it, but not always square upon setup. I'd buy it again. Check for square before the cut.

If it's out of position, you'll think it's tight when you flip the handle, but it will slip. I use this frequently. Originally bought to trim about a dozen doors, I've found it is the handiest cutting guide I have. Do it right and it holds perfectly. Be careful that you have the toggle handle in the right position when you snug the guide up (in other words, before you flip it tight).