Marshalltown 14105 6 x 4-3/8" Heavy Duty Zinc Hand Groover - 1/2 x 3/8" Bit - DuraSoft Handle

Made from high quality long wearing zinc, harder than bronze; Finely finished to cut sharp clean grooves; Shaped to eliminate concrete-catching corners; Dimensionally very consistent; Smooth finish allows for easier clean-up; Resilient DuraSoft handle provides a soft feel, reduces fatigue, and offers excellent durability; Bit Size: 1/4" radius, 3/8" width, 1/2" depth; Made in the USA