4.0mm - Boss Buckle
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Size chart
Only 11 in stock
Buckle designed for 4.0mm Herm Sprenger prong collars. Please double check this is the correct one for your collar. Reach out to us if you're unsure.
These buckles only work with Herm Sprenger collars that have two end links and a center dividing plate. The buckle replaces the center plate, so it is important that your collar has opposite facing links to work with this design. See FAQ page for more information
Safety
Always remove a prong collar if your dog is unsupervised, tied up, or playing with other dogs. The buckles and collars are not designed to come off on their own, but for any prong collar, (with a buckle or not), please use a safety back-up method in case your collar does come off during use. Katie's Buckles is not responsible for any damage or injuries. The customer assumes all risk and liability.
I suggest contacting an experienced trainer local to you for proper fit and instruction on any type of training collar.
Note: some owners have reported discoloration on white coats from their collars. No full refunds on used items even for this reason.
Shipping & Returns
Shipping
Orders are insured and shipped via USPS within 1-5 business days of purchase date.
Returns
If you are not 100% satisfied with the quality of your purchase, you can return your undamaged/unaltered items within 30 days from the delivered date. If there are issues with your products after 30 days, please reach out to me and I'll do everything I can to help.
Please see the shipping and returns page for more information.
This thing is a life saver! My poor dog is so patient, letting me struggle with his collar, but I'm not as patient. LOVE THE BUCKLE!
McKenna
My Dad ordered the buckles from Ireland and received a prompt and excellent service. They are brilliant for him, as his fingers get stiff now. He is full of praise for the buckles, thinks they are fantastic and delighted how easy they are to use. He wishes Katie all the best for her great product and hope she is successful in her business.
Mac
I ordered this buckle and it makes the prong collar a breeze. The quality is nice and the appearance is as well. I look forward to using it and purchasing more in the future.
Andrew name
It's been a lifesaver for my family and allowing me to get out on long walks and not have my arm pulled off by my energetic and sweet dog.
Emily
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