For your information, approximately 25 millimeters equals
1 inch. The first number is the width and the second number
is the length. As an example, an M3x25mm is 3 millimeters wide
by about 1 inch long. Also, as with most screws, you do not
count the head as part of the length.
After entering the number of packages that you want for each
item, simply click the "Add To Basket" button at bottom of the
page.
Each size is listed twice. First the regular pack, and then
the larger economy pack.