Trigger Release Design: Perforated steel handle with trigger release design ensures greater clamping force and durability under high tension, unlocks the tool quickly and easily. Easy to Operate: Pull release lever acts like a trigger for one-handed operation and quick repositioning of the quills, wide opening jaws provide greater versatility. Construction: It is made of high quality Carbon steel + material,experienced heat-treated with a treatment is beneficial for increasing strength and resistance. strong and has a long service life Adjustable: adjustable locking mechanism ensures maximum locking force, ideal for adjusting the pressure according to different jobs. 2 parallel plate style flat tips that grip metal plates securely without bending. Wide Application: The locking sheet metal clamp is ideal for bending, shaping and crimping sheet metal, making bending, forming and crimping sheet metal easier.it is easy to use and improve work efficiency., Manufacturer: Littimoon