Dura-Block AF4400, 11" Standard Sanding Block Marine surface prep making these discs ideal for

making these discs ideal for stainless steel

Backing: Rotolo foam

for easier application at cool or warm temperatures or for spray application

10 belts/box for 50 to 220 grits

Speed Control: Yes

Dura-Block AF4400, 11" Standard Sanding Block Marine surface prep making these discs ideal forProduct Overview: Dura Block 11" Standard Sanding Block (AF4400) is designed to accurately block slightly curved or flat panels without digging into filler materials. Perfect for wet or dry sanding. This square edge block uses an entire sheet of 9" x 11" sandpaper no tearing or cutting! DuraBlock sanding tools are made from durable, high density patented closed cell EVA rubber. They are sized and shaped to follow contours and flat surfaces while