Durable triangle sander paper designed for drill sander use, built for long-lasting wear and reliable performance. Self-adhesive backing for quick, secure attachment to triangle machines, drill sander heads, and multi-tool detail sanders. Easy to replace and trim when needed. Versatile compatibility with triangle sanding heads, round sanding pads, and sanding discs; suitable for use with triangle machines and multi-tool accessories. Back of sheet printed for easy identification; self-adhesive and corner-friendly to help you locate the right grit and attachment quickly. Compared with conventional hand sanding, this paper is more convenient, with lower wear and higher grinding efficiency, helping you finish faster with less effort. Designed to reach corners and tight spaces, making it suitable for edge work and detailed sanding. 2-3 practical use scenarios: - Finishing wood furniture: smooth edges and corners before staining or varnishing for a professional look. - Preparation and refinishing: remove old paint or varnish from doors, window frames, and trim with a drill sander or detail sander. - Detail and craft work: trim, crown molding, and cabinetry where precision sanding with a triangle sander or sanding disc is needed.