2 vintage drill bit chuck adapter 3180 & 3080, not 100% sure of the smaller adapter is a must-have for any collector of carpentry and woodworking tools. Made by Stanley, this adapter is an original piece from the United States and is sure to be a valuable addition to your collection. The size is unknown but is believed to be smaller than the standard size.

This adapter is perfect for those who are looking for a unique and rare piece of hardware. It is ideal for collectors or anyone who is interested in vintage tools. With its brand, Stanley, you can be assured of its quality and durability. This item is a great find for anyone who is looking for a unique piece of hardware.