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- USA
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
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Description
Round Liners | Kwadron CartridgesKwadron Round Liner Cartridges are engineered for precision, durability, and consistent ink flow, making them a reliable choice for professional tattoo artists. Built with a high quality membrane system, these cartridges maintain stable performance while preventing backflow. Each needle is EO gas sterilized and individually packaged to meet professional hygiene standards. Key Features Needle Type: Round Liner Available Needle Gauges: #12 (0. 35mm),
Kwadron® Round Liner Cartridges are engineered for precision, durability, and consistent ink flow, making them a reliable choice for professional tattoo artists. Built with a high-quality membrane system, these cartridges maintain stable performance while preventing backflow. Each needle is EO-gas sterilized and individually packaged to meet professional hygiene standards.
Key Features
- Needle Type: Round Liner
- Available Needle Gauges: #12 (0.35mm), #10 (0.30mm), #8 (0.25mm)
- Membrane System: Prevents ink backflow for cleaner operation
- Smooth & Textured Needle Polish: Enhances ink absorption and application
- Taper Options: Longer and Medium tapers for controlled linework
- Sterilization: EO gas sterilized and individually sealed
- Performance: Designed for clean lines, precision detailing, and consistent ink delivery
- Compatibility: Universal fit for all standard cartridge grips and machines
- Quantity: 20 cartridges per box
Specifications
- Brand: Kwadron®
- Needle Gauge Options: #12 (0.35mm), #10 (0.30mm), #8 (0.25mm)
- Needle Type: Round Liners
- Needle Taper: Longer Taper / Medium Taper
- Needle Polish: Smooth / Textured
- Packaging: 20 cartridges per box
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.6 ★★★★★
Based on 225 reviews
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Product Reviews
★★★★★ 5
Actually indestructible!
Style: Two pack
I am always leery of items marked indestructible because my 100+ lb. dog chews through anything I buy him. But not this. It's solid plastic that he LOVES to chew on. And I love that there are 2 of them so he can have them in alternative places to play with. The shape and texture seems to entice him and keep him occupied for a few minutes, which is a blessing!
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Reviewed in the United States on April 16, 2026
★★★★★ 5
Great product.He's still chewing on them.That's what I want
Style: Two pack
Bought forever ago and he's still chewing on them.Great product strong dog
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Reviewed in the United States on May 3, 2026
★★★★★ 4
Indestructible
Style: Two pack
Hard on wood floors but lasts forever. Helps keep teeth clean too.
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Reviewed in the United States on March 20, 2026
★★★★★ 5
Control dogs aggressive chewing habit.
Style: Two pack
My dog loves them she is an aggressive chewers they relieve her boredom and keep her teeth tartar free. I had to throw her first bone shaped toy she whittled it down so much.she didn't like the ring shaped I got her likes the bone shape better d finitely would recommend them.
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Reviewed in the United States on March 4, 2026
★★★★★ 1
EDIT: *NOT* great for aggressive chewers!!! ☹️
Style: Two pack, Style: Two pack
UPDATE (previous 5⭐️): Yep. Things changed!! I take it alllll back!😩🤦🏼♀️ Here we are, just shy of a month and they’re both toast!!! The pics might not look like a big deal, but we tossed the orange one after finding the chewed off bits in his poop. The only reason I was able to take a pic of this blue one is because we couldn’t find it until now. However, the orange one looked the same when we tossed it, so I’m sure we’ll be finding blue bits in his poop. Not a fan of ANY chew toy he can actually end up eating!! I have PTSD from our last fur baby that suddenly decided he liked to swallow socks @ 11yo & ended up needing emergency surgery to the tune of ~$5K!🥴
These are crazy!! They’re super hard plastic, almost like glass. I wasn’t expecting that! My hubs was joking they’re for seggy time, not dogs! 🫣😂 We got a puppy in April that is an aggressive chewer. We’ve both had dogs most of our lives, but this aggressive chewing is new to both of us. Lil dude has chewed through a ton of other toys advertised for aggressive chewers- a few within just hours!! It’s wild!! We’re not used to it, but he loves his toys, so we keep trying to get him ones that will last! 😅
We only got this 2-pk yesterday morning, but he’s been obsessed & so far, so good! With how hard they are, I’m feeling very confident they’ll last longer than any other toy we’ve bought him!!
I will update if anything changes!
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Reviewed in the United States on August 25, 2025