Check the listing for details. 3M 36153 Multi-Hole Hook & Loop 600 Grit 3 in. Sanding Disc (50/Pack). Color: Blue, Condition: New. Listed at 44.99 USD. 3M™ 36153 321U Series Multi-Hole Abrasive Disc, 3 in Dia, 600 Grit, Hook and Loop, BlueFeaturesA best in class abrasive sheet roll offering for the entire repair and paint preparation processEngineered ceramic mineral blend is balanced for maximum abrasive performance in its classDiscs available in multi-hole pattern for excellent dust extraction or in no-hole formatAnti-loading coating prevents dust and debris from clogging the cutting surfaceUpgraded resins improve durability and finishHookit™ attachment makes changing discs fast and easy Product DescriptionOur 3M™ Hookit™ blue abrasive disc 321U delivers best in class performance at every stage of paint prep and body repair. Premium aluminum oxide mineral abrasive is blended with ceramic grain for a full range of automotive sanding applications. Our multi-hole discs feature a specially-designed pattern that reduces loading, extends disc life and aligns with most backup pads. Hookit™ attachment makes disc changes easy.