Impulse display contains (50) magnetic nutsetters in cookie jar impulse display. For use on hex head screws and nuts. Fits all drills and screwdrivers. Size: 5/16 In. Length: 2-1/2 In. Shank Size: 1/4 In. Hex Magnetic: Yes Warning: This product can expose you to chemicals including lead which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov -