1. Adjustable Screw: The 15.2 cm pliers and 20.3 cm flat pliers are equipped with an adjustable screw to enable a certain range of jaw width adjustment. This feature helps the pliers grip various materials like glass, tiles, ceramics, and wood securely. 2. Special Frequency Heat Treatment: The blades of these pliers go through a special frequency heat treatment, which improves their durability and strength. This process ensures the pliers have sharp cutting edges and can effectively trim materials. 3. NonSlip Grip with Comfort Handle: The nonslip grip of these pliers offers a comfortable hold, allowing for precise control and reducing fatigue during extended use. The ergonomic design ensures a secure and slipresistant grip for efficient and accurate trimming. 4. Usage: These pliers are designed for multiple applications and are suitable for trimming glass, tiles, ceramics, wood, and various other materials. The flatend design of the pliers enables detailed and precise cuts, making them an essential tool for various DIY and professional projects.