The Lead model 3389 from Medtronic is 40 cm in length and is used specifically for deep brain stimulation. The firm tungsten stylet of the Lead model 3389 provides accurate targeting and placement. The Lead model 3389 is provided with a soft, blunt tip for smooth passage through tissue and a burr hole ring and cap for secure anchoring. The Lead model 3389 kit from Medtronic comes with quadripolar lead, tunneling rod, tunneling rod tip, lead end cap, torque wrench, 2 passing straw, depth stop gauge, short stylet, screening cable model 3550-03 (TwistLock), screening cable model 3550-07 (alligator clips), burr hole cap, burr hole ring, Boot (for percutaneous extension) and StimLoc® lead anchoring device, which comes with lead clip (Cam), entering tool, frame clip insertion tool, disposable screwdriver, burr hole ring, final cap/Burr hole cover and a disposable screwdriver.