The Jacobs 1/2" Keyless Drill Chuck #31038 is a high-quality tool designed for drill chuck mounting with a size of 1/2". This product is brand new in the package, ensuring that it is ready to use for various industrial and manufacturing applications. The keyless chuck design makes it easy to attach and detach drill bits quickly, increasing efficiency and productivity in CNC machining and metalworking processes. The Jacobs brand is known for producing reliable and durable workholding solutions, making this drill chuck a valuable addition to any workshop or tool collection.