The perfect 90-degree right-angle plastering tool: <br>Inner and outer right-angle spatula is an ideal tool for dealing with inner and outer right angles. <br>Provide you with a perfect 90-degree right angle with minimal workload. <br>Material: stainless steel. <br>The product is very durable and can easily achieve perfect 90-degree right-angle outer and inner angles. <br>Packing includes: a pair of inner and outer right-angle spatulas: <br>Internal corner knife, 1.57" x5.7". <br> External corner knife, 1.57" x5.7". <br>Note: The product is welded by stainless steel, there will be welding spots at the welding place, which will not affect the use. <br>The edges of the product are a bit sharp. Please rub with sandpaper or grindstone before use to avoid hurting your hands.