IRWIN Tools VISE-GRIP Pliers, Lineman's, 1000-Volt Insulated, 8.5-inch (10507529NA) Constructed from durable nickel chromium steel, Machined jaws deliver maximum gripping strength. Anti-pinch, non-slip ProTouch Grips provide comfort, control, and less hand fatigue. Handles are Red and Yellow, the international color denoting safety. Insulated pliers are rated for 1000 volts and meet ASTM, IEC, VDE and DIN specifications. Slim profile nose reaches into tight areas and grips firmly strong, hardened gripper teeth. Induction hardened cutting edge stays sharp longer.