Bosch SDTR060 Detail Triangle, Hook & Loop Sanding Sheet, Red, 60 Grit, 5-Pack Perfect for multi-purpose sanding projects with hard woods Premium resin-bonded aluminum oxide open coat Front-side punching enhances dust control When used with sanders such professionals can access corners and edges otherwise difficult to reach Features 6-hole for dust extraction Perfect for multi-purpose sanding projects with hard woods such as oak and pine or building boards like plywood. Industrial strength, this paper provides users with the highest quality aluminum oxide grit and resin bonding agent. Premium resin-bonded aluminum oxide open coat Front-side punching enhances dust control When used with sanders such as the Bosch 1294VSK Corner/Detail Sander Kit, professionals can access corners and edges otherwise difficult to reach 6-Hole for Dust Extraction