•Zirconia alumina abrasive is self-sharpening and more durable than aluminum oxide
•Type 29 angled style is more aggressive than type 27 style and is used for weld blending, deburring, deflashing, edge chamfering, stock removal, and grinding and finishing in one step
•Phenolic backing prevents disc from scratching the workpiece and offers durability and reinforcement
•Designed for use at a 15- to 35-degree angle to dissipate heat
•Threaded hole for attachment to grinding tools
