This 8" groover features a bit that has a 3/4" radius and is 3/4" deep

and bit depth of 3/4"

1) Complete suppression of dust

KO-20™ material is impact-resistant for extended wear

Crain 530 Rubber Base Cove Gouge Leister Heat Gun This 8" groover features aCrain Rubber Base Gouge is the best tool for gouging out the back of rubber or vinyl base for tightly wrapped corners comes with a double tipped blade. The V tip makes a sharp V shaped groove that conforms better to tightly formed sheetrock corners. The U Tip makes a wider U shaped groove for fuller corners, or for a tougher base where a wider groove must be made. The depth gauge adjusts using a simple set screw.