screw sizes are 2-56 3-48 4-40 6-32 computer hd screws are usually 4-40 with a larger head. length is from base of head to tip. most hdwe stores now carry them ________________________________________________________________ GET INTERNET ACCESS FROM JUNO! Juno offers FREE or PREMIUM Internet access for less! Join Juno today! For your FREE software, visit: http://dl.www.juno.com/get/tagj.