8200-K4: 3-Channel EEG/EMG Rat System Accessory KitFor first time buyers, Pinnacle recommends an accessory kit for use with the 3 channel EEG EMG rat system (8200 K2). The kit includes all necessary one time purchase accessories, as well as enough surgical supplies disposables to complete initial surgeries. The kit includes the following (quantities are 1 unless otherwise noted): 8112: Drill Bit 8239: 2 EEG 1 EMG Rat Headmount (2 EEG 1 EMG kits only) (4) 8239 SE3: 3 EEG Rat Headmount (3 EEG and