Stihl introduces the battery-powered TSA 230 Cutquik cut-off machine, delivering maneuverability and solid cutting performance in a lightweight, compact package.

Thankfully, I had the STIHL MSA 300 C battery-powered chainsaw handy to help me ... display which shows you if the saw is on, ...

Among outdoor power tool brands ... which translates to a cut-off machine or cutting grinder from Stihl. Additional letters at the start of the model name indicate features of the tool.

With the TS420, you have to let the wheel run to get the same power output ... they tend to glaze the cutting edge. Stihl designed abrasive wheels specifically for the slower speed.