High quality crimp tube findings from Bdbeads. These fold over type crimp tubes are plated over an iron base metal, strong and secure. They measure 6mm end to end with the actual "tube" part being 3mm long. The width is 2.8mm wide and will accommodate cording and/or wire up to 1 1/2mm thick. The hole for connecting to clasps, jumprings, etc has an inner diameter of 1.2mm. Package of 100 cord end findings!