The latest MacBook Pro models with the non-user replaceable battery use three "Torx Plus Tamper 6" screws to hold the battery in place. This is the term used by Apple. The manufacturer calls them "Tamper Resistant Torx Plus" screws. These are a variant on the normal 6 point Torx, having 5 points instead and intended to be more secure by controlling access to the drivers. However you can still get them in the larger sizes, typically T10 and up, from ebay. The smaller sizes are extremely hard to get. Does anyone know where this particular one can be found?