14K Gold Filled Long and Short Chain. Long Links 2X7 mm and Can Fit Up To 18 Gauge Wire. Short Links Around 2X3 mm and Can Fit Up To 20 Gauge Wire. Gold Filled Long And Short Bulk Has 0.5 mm (24 Gauge) Thickness. Sold by Foot. Price Per Foot. Multiple Quantity of Chains will ship as One Continuous Piece Where Available.