Pinnacle offers 1/8” stainless steel bone screws to act as anchors for the Rat Hat system. It is recommended to utilize three screws to securely affix the Rat Hat bottom and guide cannula(s). They are also used as EEG electrodes in use with rats as an alternative to the 1/8" screws with wire leads (8247). Sold in packages of 12 or 16.
Note: Bone screws are not reusable.