Herm SprengerUltra-Plus Prong Dog Training Collar, 20" Neck Size, 3.2 mm x 22" Chain Length, Steel Chrome Plated Dog Prong Collar, Pinch Collar for Dogs, Dog Correction Collar, Prong Training Collar

Herm Sprenger Chrome Plated Prong Dog Training Collar Ultra-Plus Pet Pinch Collar with Swivel No-Pull Collar for Dogs Made in Germany

Herm Sprenger ClicLock Fastener Stainless Steel Buckle for Prong Dog Training Collar & Quick Release with Easy Buckle for Medium Large Dogs (3.0/3.2mm)

Herm Sprenger - Chrome Plated Steel Additional Prong Links for Herm Sprenger Ultra-Plus Dog Training Collar - for Small Medium Large Dogs - Made in Germany (3.2 mm)