Great Value Pack includes 90-degree external corner trowel and 90-degree internal corner trowel, each measures 3.1"" x 2.4"". Professional tool set with 90-degree corner design for better fit. Rounded corner allows smoother application and less sanding. Premium stainless steel blades are strong, rust resistant and easy to clean with rivetless construction. Soft-grip non-slip handle is comfortable for long term use, securely welded for durability. Suitable for drywall, stucco and concrete on outside and inside corners. Weight: 0.79 pounds.