3M Hookit Paper Disc 236U, P150 C-weight, 5 in x NH (127 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 # 7000134154 Color Gold Diameter 5 Inch Dimensions 5xNH Grit 150 Mineral Aluminum Oxide Origin Country Canada Product Type Velcro Discs Vacuum Type Non-Vacuum 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 durabilitySuggested ApplicationUse on aluminum, carbon steel, fibreglass, gelcoat, composites, softwood, hardwood and solid surfacesMay also be used for AOEM finish prep/repair, blending, finishing, orbital sanding, prepping metal prior to paint, and general random orbital sanding applications