The high-grade carbon steel galvanized exterior wall trowel can complete an ideal 90-degree angle and finish both sides of the exterior wall at the same time. The package includes: 1 x internal corner + 1 x external external corner: 30mm / 1.18in * 145mm / 5.7in; internal angle: 30mm / 1.18in * 145mm / 5.7in, which can be bent to form an ideal 90° angle during use . The edges of the product are a bit sharp, so please wipe it with sandpaper or grindstone before use to avoid injury to your opponents.