[DIAMETER]Diameter: 2 Inch. Come with 1/4" Shank Attachment.[MATERIAL USED ON]Green 50# grit Yellow 80# grit - Used on hard metal like steel. White 120# grit - Used on soft metal such as aluminum. Various grit will meet your different needs.[WIDE USAGE]Use for deburring, blend, finish, clean, and remove coatings more effectively, with less pressure than wire brushes.[EXCELLENT QUALITY]Flexible bristles require less pressure than wire brushes, provide more surface contact than wire brushes, and maintains abrasive property throughout the life of the disc.[COMPATIBILITY] can be used with most multi-function tools, such as electric drill, mini grinders, and rotary tools. Recommended for rotate speed between 15,000-25,000rpm.The 2 Inch bristle disc grit provides large contact area with the object, which could bring you efficient cleaning and it can maintain abrasive property throughout the life of the disc.2 Inch Bristle Disc Grit 50# 80# 120# with 1/4 Inch Shank Attachment Gasket Coating Removal Disc for Metal Deburring BlendingThis brush disc is convenient to install, which is suitable for most electric drills. The 50# abrasive brush disc is suitable for harder metals such as steel.Note:Installation guide not included, we strongly recommend you seek professional installation.Please check as much as possible to make sure the item is what you need.Color: As ShownMaterial: Rubber+MetalPackage Contents:1*2 Inch Bristle Disc Grit setOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.