SIA 60 Grit 5" X 8 HOLE HOOK AND LOOP DISCS ASSO 58385 Aluminum Oxide Cloth Rolls and B2124 tool holder models and B2124 tool holder models the check valve cannot be taken apart • 60 grit for coarse sanding and surface leveling• High material removal rate for efficient stock removal• Consistent scratch pattern for controlled sanding• Stearate coating reduces clogging and buildup• Long lasting abrasive for extended service life• Hook and loop backing for fast and secure attachment• 8 hole pattern for effective dust extraction• Suitable for wood helping you keep your work area cleaner and your sanding more efficient