This sterling silver crimp measures 1x2mm. A nice sturdy crimp - this one would be classed as a tube crimp because the length is longer than the width.
Measurements: 1mm across x 2mm long
Inside Diameter: .5mm (so remember to check that your thread will fit through twice, if you need to add a clasp, which is usually the case with crimps)
Quantity per pack: 50 crimps