The 4.0mm Collar Bundle features the durable Boss Buckle, designed for strength and style. Made from high-quality Zinc, these buckles are available in three finishes: Black, Silver, and Antique Brass.
This bundle includes a variety of 4.0mm collars crafted from materials such as Chrome, Stainless Steel, Black Stainless Steel, and Curogan.
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Very effective.
Makes our working time so calm for both of us! 🤎
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Dorothy · 5 days ago
Best buckle for prong collars. Easy to put on and take off for walks.
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Anonymous · September 28, 2026
Prong collar bundle is great professional quality. Took out 2 links to fit my dogs neck properly. She's a 65 lb pitbull. She pulled like a freight train for almost 5 years. After my quadruple bypass I knew I had to get her under control. I put the collar on and trained her for 30 minutes and now she walks perfectly thanks to professional online videos. Thanks for the great quality products. Would definitely recommend to everyone