These parts are the individual scissor mechanisms for the 13-inch Late MacBook. They are the white plastic keyboard parts that are found under the keycaps. Small scissors are $5. Medium scissors (Caps Lock, Tab, Delete, etc.) are $10. The shift keys and space bar each reqire two of the small scissors. THESE SCISSORS WILL NOT FIT YOUR KEYBOARD IF IT HAS NUM-LOCK WRITTEN ON THE F6 KEY (top center of keyboard).