Snappy Tools 7 pc. Drill Adapter Set a versatile solution for adapting standard round drill bits to a 1/4" hex power bit shank, making it compatible with quick change chucks and tools designed for 1/4" hex shanks, such as impact drivers. This 7-piece set includes drill bit adapters ranging from 1/16" to 1/4" (1/16", 3/32", 1/8", 5/32", 3/16", 7/32", and 1/4") along with a hex shank socket. The adapters use a collet mechanism that securely holds round drill bits up to 1/64" smaller than their rated size, ensuring a tight fit. Crafted with heat-treated metal for specific hardness, these adapters provide durability while maintaining the collet's ability to compress around the drill bit. The included hex shank socket protects the adapter’s hex shank during drill bit changes, enhancing the longevity of your tools. This set is i for anyone looking to expand the functionality of their drill or impact driver with reliable and durable adapters. Model Number: