DEWALT Stud Finder, 3/4, Locate Framing Studs Efficiently with LED Arrows, Ideal for Wood and Metal, AAA Batteries Included (DW0100)

Ring blade is easily adjustable using the adjustment knob. Rotate the knob toward the "+" sign to increase cutting blade depth and rotate the knob toward the "-" sign to decrease cutting depth | Once depth is determined open jaw, insert cable, rotate tool around cable 3 times, open jaw and remove cable, pull off jacket | Slitting a cable: First select which V groove is needed on the V block, we recommend using the small V groove for cables 3 mm or smaller and use the large V groove for cable larger than 3 mm | To remove V block simply push on the V block, remove from tool | Set the depth of the slitting blade by loosening the screw holding the blade in place, use the tab to move the blade up or down to the desired slitting depth, tighten screw