Tarnish Resistant 304 Stainless Steel Chain Bracelet Makings, with Lobster Claw Clasps & Chain Extender, Stainless Steel ColorSize: total length about 6.50 inch(165mm) long(excluding chain extender), 0.10 inch(2.5mm) wide, chain extender: 1.65x0.12x0.04 inch(42x3x1mm), ring: 0.20x0.03 inch(5x0.7mm), 0.16 inch(4mm) inner diameter.