Dura-Block AF4409, 2.75" x 20" Long PSA Sanding Block Reflectivity Grits from 80 to 400

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

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

Spray‑on

follow XF‑500 with RUPES Marine XP‑700 or XP‑900

Dura-Block AF4409, 2.75" x 20" Long PSA Sanding Block Reflectivity Grits from 80 to 400Product 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