Channellock(R) Speedgrip(TM) groove-and-tongue pliers provide the performance and durability you're looking for in a fastening tool. It features a quick, non-slip adjustment system, ensuring a good lower jaw position throughout use. Laser heat-treated crosshatch teeth provide effective grip through the numerous contact points. The forged high-carbon steel design provides optimal strength for heavy-duty jobs. These pliers come with a limited lifetime warranty.