25 Foot Length Ball Chain, #8 Size, Stainless Steel, & 25 Matching Connectors This is slightly larger than regular #6 dog tag chain and is made of T304 grade stainless steel #8 size chain has a bead diameter of 5/32 inch (4 mm) #8 Nickel Plated Brass connectors are used for this chain Highest quality and value chain on the market Made in USA by Ball Chain Manufacturing Since 1938. We are the manufacturer, not a reseller.