Zero9 Holsters K9 E-Collar Remote Case - Dogtra 1900X/Dogtra 280X M-LOK Black Z9S. Custom Case For K9 Electronic Collar Remotes. Shock Cord Retention Loop As Well As Molle Attachment Via A Molle-lok Or Belt Attachment Via A Tek-lok. Best Ruggedized E-collar Remote Case On The Market This Is The Most Compact Footprint Available For Each Model. Specifications for Zero9 Holsters K9 E-collar Remote Case - Dogtra 1900x / Dogtra 280x: Manufacturer: Zero9 Holsters Color: Black Package Contents: Zero9 Holsters K9 E-collar Remote Case - Dogtra 1900x / Dogtra 280x