An aluminum oxide Hookit pre-cut sheet constructed on a C weight, intermediate weight paper backing.
The C-weight 236U paper is excellent for sanding on wood, primers, paint, sealers, and fiberglass.
Works well where a heavier, more durable paper backing is required.
• Primary applications: woodworking and metalworking
• Good for sanding plastic fillers and putties
• Sold by the box
• Ideal for use with 3M #20331 3" x 4" Orbital Sander; See Related Products, below.