Rosco Safety Snap Swivels - The world's best-selling American made swivel. Quality you can count on for general freshwater fishing. Ideal for hook-to-lure connections. Easy-to-use snap for quick change of lures and leaders. These snap swivels have the same quality and strength as the ROSCO 820 Interlock series, except the snap is a little easier on your delicate fingers! Easier snap, same quality and strength as 820's Quality you can count on Ideal for hook-to-lure connections