Marshalltown Bronze Fresno Groover AttachmentThe contractor grade QLT Bronze Bull Float Fresno Groover Attachment attaches to your bull float to create grooves or expansion joints in your concrete project. The attachment slides easily over any magnesium bull float and tightens with two thumbscrews. The groover is made from high quality, long wearing bronze and finely finished to create smooth, clean grooves. Choose from a variety of sizes. High quality bronze blade material Pick fresno or bull