Dura-Block AF4413, 2.75" x 11" Radius 2/3 Size PSA Sanding Block RUPES Marine The 3M™ Ultimate FX FF-400

The 3M™ Ultimate FX FF-400 Series Full Face Respirator Mask is engineered for maximum comfort

9" (100 mm)

Great for use with Mirka Polarshine 45

Note: Abrasives not included

a generous 19

Dura-Block AF4413, 2.75" x 11" Radius 2/3 Size PSA Sanding Block RUPES Marine The 3M™ Ultimate FX FF-400Product Overview: Dura Block 2. 75" x 11" PSA 2 3 Size Sanding Block (AF4413) is used for blocking flat panels and panels with slight curves. Dual use on either side of block, offers both convex and flat surface sanding. Designed to accurately block slightly curved or flat panels on any surface without digging into fill material. Perfect for wet or dry sanding. This block features smooth backing for use with 2. 75" wide PSA (sticky back) sandpaper