The 3M 4" x 24" 120 Grit Coated Aluminum Oxide Fine Abrasive Belt is engineered for efficient material removal and finish work. Its tube-shaped design allows it to fit seamlessly around inner and outer contours, effectively addressing parting lines, imperfections, and burrs. The belt features an X-weight cloth backing, offering durability during heavy sanding and grinding operations. The coated aluminum oxide abrasive mineral is selected for its fast-cutting capabilities and versatility across various substrates. It utilizes a resin bond that can endure high heat and pressure, maintaining its performance over extended use.