Safety ring (general type)
<img src='https://view01.wemep.co.kr/wmp-product/0/990/1188419900/pd_dnzhw3rjzdnd.jpg'><br><img src='https://view01.wemep.co.kr/wmp-product/0/990/1188419900/pd_cvstihyzxyco.jpg'><br><img src='https://view01.wemep.co.kr/wmp-product/0/990/1188419900/pd_fc6qf3rcqron.jpg'>