3M 01139 Red Abrasive Dust Free 6 in. 400 Grit Hookit Sanding Disc (50 ct). It features aluminum oxide mineral abrasive on A weight or durable D weight paper backing depending on grade. These discs are ideal for standard jobs such as filler shaping, featheredging, paint prep and finish.

Brand: 3M
Manufacturer Part Number: 1139
Grit: 400 Grit
Number of Pieces: 50
Size: 6in.
Color: Red
Attachment Type: Hook & Loop
UPC: 051131011397