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.