3M 02604 Fine Sanding Sponge Softback 

• Dimensions: 4-1/2" x 5-1/2"
• Grade: Fine (320 to 400 grit)
• Quantity: 20 sponges per box

The 3M 2604 Softback Sanding Sponge is a Superfine abrasive pad that ranges from 320 to 400 grit. The softback sanding sponge is a flexible foam pad that enables the user to sand hard to reach areas such as headlight openings, around door handles, door jambs, etc... It also helps to eliminate finger marks and can be used wet or dry.

 The 3M 2604 Soft back Sanding Sponge work excellent for final sanding of the primer coat before applying a sealer coat. It leaves a very uniform sand scratch and practically eliminates finger marks that standard wet or dry sand paper tends to make.