ToolPro's 3-Notch Square-Hole Blue-Steel Utility Blades are designed with a two-point edge, which extends their lifespan and ensures they maintain their cutting effectiveness for longer periods. Whether you're working on a ceiling tile installation or other precision cutting tasks, ToolPro's 3-Notch Square-Hole Blue-Steel Utility Blades offer reliable performance, making them a must-have tool for both professionals and DIY enthusiasts.