The Dremel 4000 features a variable-speed dial that ranges from 5,000 to 35,000 revolutions per minute (RPM), which is enough power for unsanded or sanded grout removal. Unsurprisingly ...

Gather your tools Removing tile grout will require a few DIY tools you ... Try using the DEWALT DWE305 Reciprocating Saw and Dremel's High-Performance Rotary Tool, both at Amazon’ he advises.