Depth can be adjusted by a simple turn of a knob

5MM WIDE Trapezium Blade installed

For throat adjustment

10" Porcelain G slot diamond blade of premium diamond technology by Raimondi

8"x 12" 1"D 1/4"R Orange Thunder® with KO-20™ Technology Square End Groover Automatic Vinyl Floor Welders Depth can be adjusted byThis 8"x 12" 1"D 1 4"R Orange Thunder square end groover is made with revolutionary KO 20 technology. Its low surface friction allows for faster movement across concrete while preventing chipping and buildup. Impact resistant and chemical corrosion resistant, this groover is easy to spot on the job and creates perfectly straight grooves. Includes hardware and patent pending.