Sell 225 pcs o-ring kits

225 pcs o-ring kits
225 pcs o-ring kits, content 18 sizes with different quantity such like 10 pcs . or 20 pcs
each item.
it is used in repair in house and industrial field. it is good material such as NBR 70 , Silicon, EPDM and viton etc.
OEM are welcome.