Specification Material: Aluminum oxide,metal shank Out Diameter (mm):15-80mm Thickness (mm):25 Shank Diameter(mm): 6 Grit:40-1000# Features: If youre grinding, blending, or polishing pipes, tubing, or other compact, irregular surfaces, the Mounted Flap Wheel with shank is the abrasive you need! High-quality Aluminium Oxide cloth higher working efficiency More safe operating,no burning work-pieces,low noise easily operating. High quality alumina coating,durable and flexible Application Suitable for grinding, blending, or polishing pipes, tubing, or other compact, irregular surfaces Feature Quality aluminum oxide abrasive provides good cut rate and life Heavy cotton/polyester blended flaps provide extended durability, conformability, and superior wear resistance Designed with a steel shank as an integral part of the wheel for excellent balance, chatter-free finishes, and quick changes on tools that have a collet design Good choice for coarse grit deburring and blending applications Flap wheels with shaft is a great choice for light grinding, blending, deburring, and finishing applications on a variety of metals. Mounted flap wheels are most commonly used on die grinders.