50 piece pack of horseshoe shaped base metal wire protectors - use these guards to protect your stringing materials from rubbing up against metal components. Often used as an alternative to french wire. Inner diametre: approximately 0.8mm, height: 5mm, width: 4mm.
To use, simply thread your tigertail through a regular crimp, then through a wire protector. Thread on your clasp, positioning it in the centre of the wire protector, then thread your tigertail back through the original crimp.