3M™ Hookit™ Blue Abrasive Disc 321U, 36178, 6 in, 240 grade, Multi-hole, 50 discs per carton, 4 cartons per case Facility Safety S Ultra fine grade is

S Ultra fine grade is effective for light to moderate cleaning

3M SKU: 7100206077

3M SKU: 7100202871

2-ply backing adds stiffness and extends performance life for low to medium-pressure applications

Rated for full vacuum

3M™ Hookit™ Blue Abrasive Disc 321U, 36178, 6 in, 240 grade, Multi-hole, 50 discs per carton, 4 cartons per case Facility Safety S Ultra fine grade is3M SKU: 7100216007 Lead Time: ~2 days Our 3M Hookit Blue Abrasive Disc 321U delivers best in class performance at every stage of paint prep and coatings removal. Premium aluminum oxide mineral abrasive is blended with ceramic grain for a full range of 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. A best