Herm Sprenger Short Link Stainless Steel Choke Chain Collar

Ray Allen Manufacturing

Silver metal color, Short, thick, oval link style matches frame exactly, Two-ring choke chain mechanism, Stainless steel material, Choke chain functionality, Herm Sprenger brand (consistent with visual style)

Guardian Gear Choke Chains Heavyweight

HealthyPets.com

Silver metal, Standard oval chain links, Two-ring choke chain mechanism, Overall form factor and dimensions appear consistent

Herm Sprenger Stainless Steel Choke Chains

J&J Dog Supplies

Silver metal color, Short, thick, oval link style, Two-ring choke chain mechanism, Stainless steel material, Choke chain functionality