3M Hookit Paper Disc, 236U, P120, 3 in x NH (76.2 mm x NH) The 3M Hookit Paper Disc 236U offers an aggressive cut and long lifeThis premium aluminum oxide disc has a durable edge and convenient 3M Hookit AttachmentA go-to product in many industrial operations, this durable disc is well suited for high production sanding operations as well as general purpose applications on paint, primer, wood, metal, plastic, and composites, including fibreglass. Product Information Brand 3M Part # 7000140032 Origin Country Canada Product Information3M Hookit Discs are easy to change and reuse, maximizing sanding utility for the life of the discOpen coat construction and load-resistant coating helps prevent premature loading of the disc surface to maximize cut and extend abrasive lifePremium aluminum oxide mineral is durable, cuts fast, and performs well on many surfacesStrong, C-weight paper backing supports aggressive sanding with extra durability