Heavy Duty Split Point, Cobalt Steel, Jobber Length Drill Bit, Size: 13, Dec. Equivalent .1850, Flute Length 2-5/16, Overall Length 3-1/2, M42 Cobalt, Premium Grade Steel --- While we are happy to sell this product in any quantity you desire, we prefer this item be purchased in multiples of 12 in order to not break product packaging.