Description The R425-4 Zirconia Flap Disc 100 Grit: Efficient Rust Removal and Finishing. The R425-4 Zirconia Flap Disc 100 Grit is designed for rust removal and finishing applications, offering an efficient solution for achieving a smooth and polished surface. Its T29 conical shape provides versatility for both horizontal and contoured surfaces, while the zirconia abrasive delivers a good material removal rate and lifetime.
