Dura-Block AF4409, 2.75" x 20" Long PSA Sanding Block Reflectivity Black Ice's design works great

Black Ice's design works great wet or dry and gives the same cut no matter how you use it

Pair the Metal R828 coarse grit center mount fiberglass flat flap disc with a right-angle grinder to handle stock removal

Grits from 80 to 400 feature super-sharp ceramic and aluminum oxide abrasive grain blend for faster cut and consistent finish

Quiet Strength

durability

Dura-Block AF4409, 2.75" x 20" Long PSA Sanding Block Reflectivity Black Ice's design works greatProduct Overview: Dura Block 2. 75" x 20" Long PSA Sanding Block (AF4409) is designed to block large surfaces such as cars, trucks, boats and RV's without digging into filler materials. Perfect for wet or dry sanding. This block features flat backing and is for use with 2. 75" wide PSA (sticky back) sandpaper rolls. DuraBlock sanding tools are made from durable, high density patented closed cell EVA rubber. They are sized and shaped to follow contours