Sungold Abrasives 98837 Hand Sanding Block For 5" Psa-Stick-On Discs Made from a dense foam to give even pressure for hand sanding Excellent ergonomic grip to make hard jobs easier on hands Vinyl face for excellent adhesion and quick and easy removal Excellent with Sun gold Eclipse Film Discs For use with 5" Hook & Loop/velcro discs, for 5" PSA use Sun gold 98837