8"x 8" 1-1/2"D 1/4"R Orange Thunder® with KO-20™ Technology Square End Groover Tip-Top Clamp A 360° swivel bracket provides

A 360° swivel bracket provides the versatility to let you work from any angle

Thread size: 7/16" major diameter- 20 threads per inch

The spring-loaded center knob for height adjustment is easy to use

50 Grit — remove heavy scale/roughness (this product)

Perfect for decorative concrete

8"x 8" 1-1/2"D 1/4"R Orange Thunder® with KO-20™ Technology Square End Groover Tip-Top Clamp A 360° swivel bracket providesThis 8"x8" 1 1 2"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. Made with Orange Thunder polymer composite, this tool is among the best