Ball Chain Fishing Swivels Variety Pack - 5 of Each: #6 Size 4 Bead, #6 Size 6 Bead, #10 Size 4 Bead, #10 Size 6 Bead #6 chain has a bead diameter of approximately 1/8 inch and an average tensile strength of 45 lbs #10 chain has a bead diameter of approximately .175 inch and an average tensile strength of 100 lbs Made of Rustproof T304 Stainless Steel These ball chain swivels prevent the line from twisting and sends bubbles over traing line Made in USA by Ball Chain Manufacturing Since 1938. We are the manufacturer, not a reseller.