This is 2-pack of o-rings used in the SWAT Pen.
For best results use a little grease, baby oil, WD-40 or other lubricant to allow the cap to pull off and be put one more easily.
This is 2-pack of o-rings used in the SWAT Pen.
For best results use a little grease, baby oil, WD-40 or other lubricant to allow the cap to pull off and be put one more easily.