The Kreg KPHA308 Easy-Set Drill Bit with Stop Collar & Gauge/Hex Wrench Set is a versatile tool set designed for precision drilling. The set includes a drill bit with a built-in stop collar and gauge, allowing users to easily set specific depths for their projects. The included hex wrench set ensures that users can securely attach the stop collar and gauge to their drill, providing a reliable and accurate drilling experience. This set is suitable for various drilling applications and is a valuable addition to any workshop or tool collection.