This set includes 2 corner trowels for 90° corner work: one external and one internal, each measuring 3.1 in. by 2.4 in. The blades feature a rounded edge, allowing smoother application and reducing the need for post-sanding, ensuring perfect, flawless corners. Made of high-strength stainless steel, they are strong, rust-resistant, corrosion-resistant, and easy to clean. A rivetless construction ensures a smooth, neat cut. The ergonomic, non-slip handle is comfortable for long use, minimizing wrist fatigue and keeping hands safe. The handle is securely welded to the blade for stable, long-term performance. Suitable for drywall, stucco, and concrete, these tools simplify finishing outside and inside corners, making drywall work more efficient and effective.