It also polishes them to an eye-blinding shine

The round edges prevent gouging of the material when finishing the surface

TPO / PVC single-ply membrane welding

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60" x 4" Straight Arrow Serrated Concrete Groover, 1-1/2" Deep Bit Pencil Tip Nozzle It also polishes them toThis 5 foot long high grade aluminum groover is designed for cutting long straight control joints. The design features a 4" wide top, providing greater stability on concrete slabs as the groover moves across the material. A bright red sight marker helps the user cut long perfectly straight control joints through new cement slabs and decorative applications. The sight marker is bolted to the center track allowing it to be moved back and forth for the