In a nutshell
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With Fein perforated triangular sanding sheets, you work quickly, precisely, and with minimal dust in tight corners and along narrow edges. The triangular design with an 80 mm edge length easily reaches areas inaccessible to round sanders. Featuring aluminum oxide grain with a full resin bond and P120 grit, these sheets deliver consistent material removal and a smooth intermediate finish while resisting clogging. The perforations enable direct dust extraction when connected to a vacuum system, keeping your workspace clean and extending abrasive life. This pack of 50 sheets is universally suited for almost all materials, including wood, metal, and plastic.