Nobilangelo https://www.youtube.com/watch?v=Dz3xSPnIuEshttps://www.youtube.com/watch?v=rJ02n9M-Q_E These are excellent videos to show how to use this.

Nobilangelo Theonly way to get hotter water is to put two, or three, in line in your plumbing, so that cold water flows into the first one, then the warm water from the first one flows into the second one, then if you need a third the heated water from the second one flows into the third one, and flows from there to your shower.

Nobilangelo And so it proved when the base-plate had been adjusted to fit my lathe. An excellent product.

Nobilangelo But they are for wood only.

Nobilangelo But after ten days of use one of the batteries would no longer charge. It showed as charged on the charger, but the batteries were getting nothing, so it must be the circuitry in the battery that has failed.