BD Micro-Fine Plus Pen Needles 31g x 5mm

Lay out your injection pen Take out a needle unit and an alcohol pad
Remove cap from pen and wipe the end with alcohol pad, then screw on the needle unit, setting aside the large cap
Discard the small cap that covers the needle itself
Set the dial for 1 unit and press button and be sure a small amount of insulin is present on the end of the needle; it's usually just a tiny drop
Select the injection site and wipe with alcohol pad and let dry