Insulated Comfort Grip Two-Color Dual Component Handles are 1000 Volt VDE-Tested * Precision Ground, Hardened Blades Suitable for Cutting Copper and Aluminum Cables, Single and Multiple Wires * Not Suitable for Steel Wire and Hard Drawn Copper Conductors * Adjustable Screw Joint, Self Locking * Clean and Smooth Cut Without Crushing and Deformation