What size Allen wrench for 1999 Chevy Silverado front disc pads?

To replace the front disc pads on a 1999 Chevy Silverado, you typically need a 7mm Allen wrench (also known as a hex key) to remove the caliper bolts. It's always a good idea to double-check your specific model and configuration, as there may be slight variations. Additionally, having a socket set handy can be useful for other components involved in the process.