Portable Roll Groover Accessories, Roll Set for Copper no checkout Durable cap with pocket clip Durable cap with pocket clip for convenient storage Fast drying Heavy duty plastic barrel features ergonomic design for extended use Ink formulated for industrial strength usage Versatile tapered chisel tip makes 1 16" and 3 16" marks and cables or to find a break in a wire Patented automatic self test verifies the integrity of the unit Bright LEDs flash and audible alarm sounds if voltage is present Silent mode feature for use in quiet settings Automatically turns off after five minutes of non use to conserve battery life All die heads are through head oiling Choose from a variety of options Dies sold separately Not for use with stainless steel