just insert and adjust the thumb screw based on the thickness of the tile

this tool creates ultimate traction for safety

which can cause unsightly seams

The range of useful length adjustment: is 2 foot 10 1/2 inches to 4 foot 8 inches

60" x 4" Aluminum Straight Arrow Concrete Groover, 1-3/4" Deep Bit Crain Carpet Stretcher 500 just insert and adjust theThis 6 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