Metal thumbscrews for pc cases pack of 50 uk this 50 pack of computer thumb screws is great to have on hand eliminating the need to use a screwdriver to close up your computer case the computer thumb screws offer duplicate convenience in the event you need to re open the computer case as the thumb screws can be removed by hand without a screw driver each of the included 6 32 thumb screws measures 516 warranty information warranty 2 years hardware head pattern