Stainless steel AISI 316 quick release, useful in all situations where you may need to quickly disengage from the attachment point (water skiing, etc ...)It is sufficient to pull the cord to quickly open the closing lever, even under load.Tested by R.I.N.A.Patented.This device is not a PPE for climbing, mountaineering and rope courses.New ECO PACKAGING in recycled cardboard.