3M™ Hookit™ Paper Sheet 236U, P220 C weight, 3 in x 4 in, 50 Carton, 500 ea Case Min Qty Order:500 Conformable pad gets into corners Conformable pad gets into corners and over contoured surfaces to produce a uniform finish\Open web construction resists loading and rinses clean for repeated use The disc itself features silicon carbide abrasive with a load resistant coating and open coat abrasives that work together to minimize loading Open coat construction and load resistant coating prevent premature loading of the sheet surface to maximize cut and extend abrasive life C weight paper backing supports aggressive sanding with extra durability compared to lighter weight paper backings