Knipex 8808250SBA 10-Inch Alligator Pliers - 1,000 Volt Insulated Comfort Grip Two-Color Dual Component Handles are 1000 Volt VDE-Tested Box-Joint Design is Highly Stable Because of a Double Guide Self-Locking on Pipes and Nuts with no Slipping on the Work Piece and Low Hand Force Required Guard Prevents Fingers Being Pinched Gripping Surfaces with Special Hardened Teeth, Teeth Hardness Approximately 61 HRC Provides Low Wear and a Secure Grip