Weiler Wolverine aluminum oxide 3 inch coated abrasive flap wheels provide fast cutting at a value price on steel and other metals. The 1/4 inch stem allows for easy mounting on a die grinder or right angle die grinder. The flap wheel can be dressed to conform to an application part. A solid hub construction increases balance and reduced vibration in applications such as tube ID cleaning, thread cleaning and deburring. Provide Fast Cutting At a Value Price. Can be dressed to conform to application part. A solid hub construction increases balance and reduced vibration. . .