424043 is part of the CK Tools Quick Connect Deluxe Accessory Set. This set includes a variety of tools, perfect for a range of applications. The 424043 is a 30/60/90 degree angle attachment, specifically made to use with the Quick Connect Adapter. This attachment enables the user to access tight spaces at various angles, making it ideal for a range of tasks, such as cutting, grinding, polishing, and sanding. The attachment is also equipped with two threaded spindles, allowing it to also be used as an offset.