... Name manufactory direct fashion men jewelry sets with 1.0 mm 2.0mm copper & brass ball chains Material ... (ball diameter ) 1.0 / 1.2 / 1.5 /2.0 /2.3/ 3.2 / 4.0 mmPacking In big carton ... :Copper2)The shape of the ball chain:Single line 2 line 3 line,mult-line, round, semicircular, triangle ... parallelogram, trapezoid. manufactory direct fashion men jewelry sets with 1.0 mm 2.0mm copper & brass ball chains