Paasche Airbrush AEX-5-240 Aluminum Oxide Abrasive Dimensions: 5.3' 7.1' 5.2' Material Aluminum Oxide Brand Paasche Compatible Material Glass, Metal Item Weight 0.45 Kilograms Aluminum Oxide: 240 grit aluminum oxide abrasive compound Oxide Abrasive Compound 240 Grit: Great for etching hard surfaces like glass or metal Fast Cutting Abrasive Compound: Used for Paasche AEC, AEC-K, AECR & ER-1S etching tools Paasche Airbrush: Made in the USA