6x4mm Silver Brass Lock Jump Ring -Pkg 20

6x4mm ID, 16 gauge,Plain, Silver Color,Bag of 20 Lock-In Jump Rings are an innovative twist on traditional jump rings in that they actually lock closed. Their unique ôpost & holeö construction enables the two ends to be locked together. They form a secure closure that will not open over time as traditional jump rings often do from wear and stress. They combine the strength of a soldered ring with the functionality of an open ring. The ingenious ôpost and holeö design locks rings closed, ensuring a secure closure every time!