Motor Guard BGR16-1 Rigid PSA Sanding Block, 2 5/8" x 16" Rigid sanding block designed for fast and aggressive blocking Size: 2-5/8-Inch x 16-Inch Ultra-fast, super rigid block with finger recesses for a firm, powerful grip For aggressive, two-handed blocking, this long, rigid sanding block is unequaled PSA Abrasives; Made in USA