Best buy from HF for woodworkers. I've had mine now close to 20 years.

I'd recommend buying a better bag for the top; it works fine, but inexpensive lower micron bags are better for your lungs.

Broke after 4 years, and quite possibly took the battery with it. This thing will actually drain your battery if there is a power outage, or it fails. All they had to do to prevent that is to out in a diode!

On/Off switch difficult to move, wrench failed, put in new battery, still doesn't work. HF doesn't catalog this item anymore.

I have two of these. They work well and are cheap ($7.99). Just put this in the caliper, use an old brake pad to evenly spread the force and compress the piston. Sometimes, if the piston is a tight, you have to use pliers to gain leverage, but go slow and this tool works fine.

I have two of them for double piston calipers. Put in the old pad, then put these next to each other, and slightly compress one, then the other. Repeat as needed to full compress the piston.

Got it open box for $20. I use it for automotive testing and it works quite well. Pulls a vacuum and will measure one, just like it should. I haven't used it to bleed brakes, but I am sure it would work fine. Tip: pick up vacuum pump adapters at Autozone to add to the ones that come with this kit. You will ALWAYS need the adapter you don't have so get as many as you can.