This ULTRA-PLUS Training prong collar is designed to offer even more precise correction, as well as pull limitation. This unique prong collar features prongs of the same physical size as our 2.25mm wire gauge but with the strength of a 3mm wire gauge.
 
3.0mm W x 50cm/20" L - Suitable for dogs up to 40kg (90lbs)

Synchronous configuration of the middle links
Finer adjustment with shorter links
Optimised communication with the dog