Hook And Loop Design: This dust extraction sanding block features a hook and loop design that works great with standard loop sandpaper for quick and secure attachment and removal of sandpaper.

Flexible Curvature Adjustment: This hand sander block can be set and fixed as flat, concave or convex depending on the angle of the surface to be sanded, the long board manual sand filing block will maintain this angular shape throughout the entire sanding process making it easy to get the sanding job done quickly.

Excellent ABS Block Base: This drywall hand sander is made of excellent ABS block base, which is sturdy and wear resistant, not easy to be damaged, and seems to have a long service life.