Herm Sprenger Ultra-Plus Prong Training Dog Collar Replacement Links, 3 count, 3.0mm

$14.99 (-12%) Chewy Price
$16.99 List Price
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About This Item

Details

  • Replacement links designed for use with the Herm. Sprenger Prong Dog Training Collar (sold separately).
  • Easily attaches to the collar links to add length and get a more customized fit.
  • Blunt prongs are designed to be safe and effective without hurting your furbaby.
  • Made with superb craftsmanship from high-quality raw materials.
  • Paw-some for walking strong pullers and large dogs, or for obedience training.

Instructions

Size

Questions & Answers

18 Customer Questions


How do you measure the prong? What part are you lining up against the ruler?

Answer by ChewyDec 11, 2021
The prongs are measured by their gauge (or thickness), not by their length. The 12 inch collar uses links that are 1+1/6 inch long with a thickness of 2.25 millimeters. The 16 inch collar uses links that are 1+7/16 inch long with a thickness of 3.0 millimeters. The 18 inch collar uses links that are 1+1/2 inch long with a thickness of 3.2 millimeters. The 20 inch collar uses links that are 1+3/4 inch long with a thickness of 4.0 millimeters.

where do you measure to get the millimeter size?

Answer by ChewyJun 24, 2018
The millimeter measurements are based on the circumference or thickness of the link.

How many 2.25 mm links would i need to get the 12 inch collar to 18 inches?

Answer by ChewyAug 03, 2019
You would need 4-5 2.25 mm links to reach 18 inches on the 12 inch collar.

Why is it listed as Herm Sprenger but under the description the brand name is Coastal Pet Products?

Answer by ChewyMar 30, 2021
Coastal Pet is a certified distributor of Herm Sprenger and these collars are authentic. You can always verify the authenticity of your Herm Spenger collar, as every Sprenger collar is stamped with a brand name HS-Germany (HS-GERMAN INOX / HS-CUROGAN) on the rings or swivels.

4.6
Rated 4.6 out of 5 stars
500 Ratings

Customers Mention

Chewy identifies key considerations with the help of artificial intelligence and our veterinarians.

Attachment method

93% Positive

Customization

85% Positive

Durability

88% Positive

Legibility

83% Positive

204 Customer Reviews



Rated 5 out of 5 stars
By Lorri on Dec 30, 2025

Prong collar extensions

Great to have around so the prong collar can be properly adjusted. I was concerned about purchasing the correct size due to the measurements being in cm but the

Great to have around so the prong collar can be properly adjusted. I was concerned about purchasing the correct size due to the measurements being in cm but the customer service rep assured me everything is returnable. A quick Google search for the metric conversion allowed me to choose the correct size. Matches original collar perfectly


Rated 5 out of 5 stars
By annette on Dec 6, 2025

Good quality.

Got thus brand because recommended by professional dog trainer. Ended up getting the quick release which is wonderful. The customer service from chewy is absolutely

Got thus brand because recommended by professional dog trainer. Ended up getting the quick release which is wonderful. The customer service from chewy is absolutely top notch something every company should strive for


Rated 5 out of 5 stars
By Richard on Nov 28, 2025

Excellent customer service.

Customer service found the correct part, refunded for the previous purchase that was the wrong size, and got the correct one out to me expediciously.

Customer service found the correct part, refunded for the previous purchase that was the wrong size, and got the correct one out to me expediciously.


Rated 4 out of 5 stars
By Carrie on Oct 12, 2025

Unnecessary purchase

Following the instructions to measure my dog for the right size HS prong, I thought I would need at least one extra set of prongs, when in fact I did not need any

Following the instructions to measure my dog for the right size HS prong, I thought I would need at least one extra set of prongs, when in fact I did not need any extras. I removed prongs from the original collar or the correct fit.


Rated 5 out of 5 stars
By Joan-Marie on Dec 3, 2025

Ease of Installment

These links work great and were easy to install for individualized adjustment as my German Shepherd grew.

These links work great and were easy to install for individualized adjustment as my German Shepherd grew.


Rated 1 out of 5 stars
By Tracy on Aug 9, 2025

So disappointed!

I thought this was the best brand out there! My pit bull lunged and the collar released somehow. He attacked another dog. Took 6 neighbors to help me get him off

I thought this was the best brand out there! My pit bull lunged and the collar released somehow. He attacked another dog. Took 6 neighbors to help me get him off the other dog. Two people were bit by other dog. One BIG disaster! I am now finding out from others that they have had the collar release, as well. If you buy this collar, you must purchase another thing that will attach this collar to the 2nd collar your dog must wear. I had to rehome my dog.


Rated 4 out of 5 stars
By Susan on Jun 28, 2025

Training collar-Good not great

This collar is very effective to train and work with my GSD. The prongs are very difficult to take apart which must be done when putting the collar on and off-

This collar is very effective to train and work with my GSD. The prongs are very difficult to take apart which must be done when putting the collar on and off- especially taking it off. If getting this type of collar you need to be sure it has the click lock clasp otherwise it might be very hard to get off your dog. This type of collar should not be left in””on your dog when not actively working with your dog. If the collar is so big that it slides easily on and off, it doesn’t work well. A good collar with the easy release clasp. Otherwise you must have very strong hands to use the collar safely. The easy release clasp must have the cover slid all the way over the release button or it can fail. Good but not a great collar. Honestly, not sure that a traditional choke collar would not be better once your pup gets is trained.


Rated 5 out of 5 stars
By Kathy on Nov 7, 2025

Awesome Addition to the collar I ordered

It was great that I could order these links to make the collar I ordered larger and I am very glad I did.

It was great that I could order these links to make the collar I ordered larger and I am very glad I did.


Rated 5 out of 5 stars
By Katherine on Sep 13, 2025

To make larger

Got these because collar was just a tad too tight to get on/off easily. Added just one more link which snapped in easily and is same quality as others in the c

Got these because collar was just a tad too tight to get on/off easily. Added just one more link which snapped in easily and is same quality as others in the collar.


Rated 5 out of 5 stars
By Joye on Nov 2, 2025

Works great!

This has made all the difference in the world in stopping my dog’s pulling. Great quality too.

This has made all the difference in the world in stopping my dog’s pulling. Great quality too.