Features Wide application: this manual sanding file block has a wide range of applications and can be used for home cleaning, drywall sanding, fine sanding, rust and paint removal, automotive repairs and painting shops, carpentry, wood furniture making, metal fabrication Flexible bending adjustment: This manual sanding block can be adjusted and fixed flat, concave or convex depending on the angle of the surface to be sanded. Long table sand manual file block keeps this angular shape on all sand Excellent ABS Block Base: This manual drywall sander is made with excellent ABS block base, which is sturdy and wear-resistant, not easy to damage, and seems to have a long service life. 【Velcro Design】This dust extraction sanding block features a velcro design that works perfectly with standard ring sandpaper, allowing you to attach and remove sandpaper quickly and safely. Convenient to carry: This longboard manual sanding block is lightweight, very convenient to carry and use, and can be used in a variety of situations. Specification: Item type: Manual sanding file block Material: ABS Package List: 1x Manual Sanding File Block Package List 1 x Hand Sanding File Block