SEM 2.75" x 40 Yards - 180 Grit Ceramic Sandpaper - 1 Roll [SA22180] Lewmar 90mm Synchro Blocks Suitable substrate materials are wood

Suitable substrate materials are wood

12 degree tilted version

the press lock serves the same purpose with a different design

with drain vents on bottom

and convenience

SEM 2.75" x 40 Yards - 180 Grit Ceramic Sandpaper - 1 Roll [SA22180] Lewmar 90mm Synchro Blocks Suitable substrate materials are wood2. 75" x 40 Yards 180 Grit Ceramic Sandpaper 1 Roll SEM Performance Abrasives are specifically designed for todays complex automotive repairs. The abrasive products incorporate precision grain technology, which provides fast cutting, long life, and a consistent finish on all substrates. Features: Ceramic grain Easy to tear to size C weight paper Quick Guide (pdf) Brochure (pdf)