One of the most secure ways to attach leads, rigs, and accessories. Made from 100% marine grade stainless-steel, theyre durable and come with maximum corrosion resistance. The interlocking system on the clip is formed from strong stainless-steel wire that is bent at the end, this locks securely into the lock mechanism so it cant undo. If you want the strongest, most secure quick attachment possible, SS2 Interlock Snap Swivels cant be beaten.