Bevel Type: T29. Designed for grinding, blending, sanding and finishing on a wide range of material. 20Pcs Flap Grinding Sanding Disc Wheel (5Pcs Each Of 40#/60#/80#/120#). 【STRONGEST FIBER BACKING THAN OTHER PRODUCTS】 4 1/2 grinding wheels made for TOP-LEVEL Hard zirconia.Good material for griding wheel.
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