Marshalltown 6" x 3" S/S Groover Ref M180D
The 6" x 3" Marshalltown Stainless Steel Hand Groover creates classic 1/2" wide by 1/2" deep grooves in your concrete slab to help you control stress cracking to extend the life of your pavement, patio, or other concrete projects. Its properly shaped bit has a leading edge that easily cuts sharp grooves.