Marshalltown QLT Cement Groover features a 6-inch by 2-3/4-inch steel blade combined with a durable steel mounting and a mortised wood handle, designed for effective and precise cement grooving. The groove size measures 1/4 inch, and both the front and back edges of the bit are curved to ensure a clean cut every time. This tool is crafted to provide reliable performance for your cement finishing needs, making it a valuable addition to any toolkit. Model Number: 91