Syntec 7" Transitional/Ceramic Cup Wheel - 400 Grit with Threaded Arbor Quik Drive Cement Board Screws When your project demands strength

When your project demands strength you can trust and a finish that looks clean and professional

The Rod Coupler head is designed for 1/4" threaded rod

and professional results

Its oversized

Install until head is snug against the material surface

Syntec 7" Transitional/Ceramic Cup Wheel - 400 Grit with Threaded Arbor Quik Drive Cement Board Screws When your project demands strengthSyntec 7" Ceramic Cup Wheels are designed to improve the quality of edgework and to reduce scratches and gouging that metal cup wheels cause. These Transitional Cup Wheels have very aggressive grinding patterns which result in a superb finish. Ceramic Cup Wheels are compatible with metal and concrete. A higher grit results in a smoother, almost reflective finish.