Diablo's premium ULTRAflex sanding sponges include break-through innovations that improve performance, extend sanding life and increase hand sanding productivity. Featuring a premium ceramic grain blend, these foam sponges remove up to 3X more material versus standard aluminum oxide sanding sheets. ULTRAflex foam technology allows flexible, multi-profile contour sanding in hard to reach areas. The full contact design provides maximum sanding potential by delivering consistent scratch patterns and ultra-smooth finishes. The great grain bonding system, ENDURA-BOND, provides Diablo's sanding sponges with longer life and extreme durability.

• Up to 3X longer sanding life versus standard foam sanding blocks
• ULTRAflex technology for flexible contour sanding in hard to reach areas
• Full contact design delivers consistent scratch patterns and ultra smooth finishes
• Premium aluminum oxide blend designed for maximum life and up to 3X more material removal versus premium foam sanding blocks
• Unique solvent-free coating prevents clogging and pitch build-up for maximum performance and extended life
• Endura-bond provides great grit to backing bond for extreme durability
• Flexible foam material withstands tearing, crackling or buckling