The KNIPEX 87 01 250 Tongue & Groove Plier is a versatile and essential hand tool, designed for tasks such as turning and holding nuts and bolts, gripping irregular shapes, and clamping materials. Constructed from durable Chrome Vanadium Electric Steel with an Atramentized (Phosphate Coat) finish, this plier offers enhanced resistance to corrosion. The dipped handle ensures comfort during use while the overall length of 10 inches provides adequate reach. Key features include a box-joint design for stability, double guide & fine adjustment for precision control, gripping surfaces with teeth hardness approximately 61 Hrc for secure grip on objects. It also includes pinch guard & push button adjustment for safety during usage and self-locking feature providing additional security when handling materials. This lightweight (.73 lb) tool has a jaw width of 1-1/8 in., length of 1-1/4 in., manual jaw opening type giving user complete control over jaw movement. Its maximum jaw opening is up to two inches allowing it to grasp larger sized objects effectively. This product complies with DIN ISO 8976 standards guaranteeing quality assurance based on international regulations. Part of the renowned Knipex Cobra series known for its design features and performance characteristics; this plier can be used across different tasks including working with nuts, pipes, pumps due to its versatility. It's tether capable which allows attachment of tether preventing accidental drops when used at height.