Premium aluminum oxide abrasive for long life Heavy, durable X-weight cotton backing makes the discs ideal for aggressive stock removal applications Resistant to heat Hard tapered stone for initial cut on hard cast iron surface Grind-Polishing rolls in assorted sizes and grits for grinding fine grits for polishing 1 in diameter mini grind-o-flex wheel for light finish polishing, not for heavy metal removal Butterfly flapper, 1 in wide abrasive cloth cut into 4 in strips and inserted into slotted mandrel, for finish polishing of internal surfaces Split mandrel in kit sold separately Pack of 1 EA Manufacturer part number: 08834169032 UPC Code: 88341690320 Specifications: Abrasive Material = Aluminum Oxide Applicable Materials = Metal;Wood Applications = General Metal;Wood Polishing/Finishing Body Material = Cloth Height [Nom] = 6.8 in Length [Nom] = 4.7 in Quantity = 1 per pack Width [Nom] = 4.5 in Wt. = 0.8 lb This is a normal stocking item.