The product is a 3/8" drill chuck replacement with a keyed chuck type, designed for a threaded mount with a mounting size of 3/8-24. It is manufactured in the United States by Jacobs, a well-known brand in the industry. This high-quality drill chuck is a reliable toolholding accessory for various drilling applications, providing secure and precise gripping of drill bits. Made with durable materials and craftsmanship, this USA-made drill chuck replacement with key is a dependable choice for industrial use.