Serpentine jaws are specially machined to allow insertion of insulated conductor through the jaws, which reduces danger of slippage which might result in insulation damage
Eliminates necessity of stripping insulation from conductor
Round inside-jaw contour
Manufactured from drop-forged, heat-treated steel for excellent durability
Klein Tools-1659-30-Chicago Grip for PVC-Covered Conductors 0.5-Inch 
