Handheld grooving tool has a myriad of applications, commonly used in doorways or to finish the ends of long seams. It's great for areas where a power groover can't get to. This hand grooving tool comes with an additional 5 spare blades that conveniently store in the handle. The ergonomic design of the handle makes it easy to use and the removable hardened steel grooving blades are easy to change out.