Snap-on New, Unused This is a set of a shank screwdriver and an extension bar. Drive size: 1/4 inch Model Numbers: TM4CSA TMXK60 Can also be connected to the back of the screwdriver. Please check the details provided. There may be some scratches and scuffs due to shipping, warehouse storage, and the nature of Snap-on products. Please purchase only if you understand this. Returns are not accepted to prevent product substitution. I also have many other Snap-on items for sale, so please take a look. Thank you for viewing.