The 1/2" Quick Change Keyless Drill Chuck Adapter by Cionyce is a versatile tool for your workshop. Made of carbon steel and plastic, this adapter features a 1/4-inch hex shank for easy fitting into power tools. The 2.0-13mm range allows for a variety of bit sizes, and its compact size makes it convenient for storage and transport. With a manufacturers' weight of 8.1 ounces, this adapter is durable and reliable for all your drilling needs.