Constructed from High grade heat-treated steel alloy for maximum toughness and durability  Classic trigger release designed to provide maximum locking force with excellent grip and quick-release. Hardened teeth are designed to grip from any angle and Stays adjusted for repetitive use. Includes curved jaw locking pliers that allow maximum contact for all work shapes, including round pipes, squares, or hex bolts, and long tapered-nose pliers ideal for delicate work in tight spaces. Some Feature non-slip soft grip handles that provides comfort and leverage while reducing vibrations and hand fatigue