Material: 14Kt Rose Gold Filled cord/chain crimp ends/end caps

Dimensions:
Inner Diameter of Tube 1mm
Total Length 6.85mm
Tube length 3.65mm
Outer Ring Size 3.85mm
Inner Ring Size 2.6mm

Just insert each side of the chain into one one of the crimp ends and crimp the center with pliers to secure the cord/chain in place.