Tri-Tronics G2 Series Sport 50 and Sport 60 Transmitter Holster has a spring clip that fits only the Tri-Tronics Sport Series. This durable nylon Cordura holster has a rugged metal clip for belt or pocket carrying. Keep you hunting dog within your command and your transmitter handy. Why fight with trying to hold your transmitter and all your other hunting equipment when you can easily clip it to your belt. Durable and easy.