Chainologie Gunmetal/Hematite Chain _#79: 4.5x3x1mm Long Rollo Chain (Per 25-foot spool/hank) * Nice oval chain with rectangular wire * Lead-free, nickel-free soldered (closed) link brass chain * Smooth and comfortable to wear * You get approximately 7.5 links per inch; links measure approximately 4.5 mm long x 3.0 mm wide x 1 mm thick Gunmetal/Hematite over brass for Platinum-look jewelry without the Platinum price