Yeah and honestly they are what are considered "one time" fasteners.
You can try and reuse em, sometimes they work, sometimes they don't hold tight.
97 Sahara, 74 Renegade, 72 CJ5, 55 Willy's (the Beast) Boss 302, 6:34 gearing, Bose 901 speakers.
God I miss that Jeep. Forgot the kinda Jeep, 80 SX4.