Herm Sprenger Chrome Prong Collar Link

Extra Link for the Chrome Prong/Pinch collars. There are four different sizes to choose from. This is the link that would be used to make your pinch/prong collar to fit a larger neck size.
Four sizes to choose from, listing includes single link.

3.9 mm
3.0 mm
2.25 mm

Contains one link.

2.25mm – each link adds or removes 1″ 
3.0mm – each link adds or removes 1.375″
3.9mm – each link adds or removes 1.75″