Long wearing The heavy-duty zinc blade material is also long wearing and easy to clean. Groover is made from long wearing zinc. Finely finished to cut sharp clean grooves before the concrete sets. Providing a smooth blade finish for easy cleanup The 6 x 4 3/8 inch MARSHALLTOWN Heavy-Duty Zinc Hand Groover Finely finished to cut sharp, clean grooves, beveled to prevent gouging, and offers excellent durability. Part # : 15557 - Control Joint Walking Groovers DuraSoft Handle Tool Marshalltown 835D 6 X 4-3/8 Zinc Groover-1D X 3/8 Bit-Durasoft Handle DuraSoft Handle Grooving Tool Finely Finished Cuts sharp, clean grooves. The 6" x 4 3/8" MARSHALLTOWN Heavy-Duty Zinc Hand Groover is finely finished to cut sharp, clean grooves, beveled to prevent gouging, and offers excellent durability The 6 x 4 3/8 inch MARSHALLTOWN Heavy-Duty Zinc Hand Groover Comfortable The resilient DuraSoft handle provides a soft, comfortable feel and reduces fatigue while still being rigid and reliable. The heavy-duty zinc blade material is also long wearing and easy to clean.