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Kwadron Cartridge Liners

7 products

What Are Kwadron Cartridge Liners?

Kwadron Cartridge Liners are reliable, round liner tattoo cartridge needles intended for precision work. Each cartridge is made of high-quality materials and features a membrane-stabilizing system to ensure peak performance. By guaranteeing perfect ink flow, the membrane system prevents backflow while you work. 


To reduce friction between the needle grouping and tip, each cartridge is housed in high-quality plastic. The stainless steel needles are razor-sharp and durable yet flexible for clean, accurate lines.  


Unlike shader or magnum cartridges, Kwadron cartridge tattoo needle round liners are ideal for outlining and fine linework. The cartridge tattoo needles' converging circle configuration delivers precise control to create impressive contours and sharp lines.

Round Liner Sizes and Taper Explained

The taper determines how much ink flows from the needle. It is measured from the tip of the needle to the widest point. So each artist can choose the most suitable size for their work, Kwadron cartridge tattoo needles round models are available in long and medium taper sizes. 

Long taper (LT) needles are about 7 mm long. The tip is slender, with a sharp, precise point. These are ideal for detail work (because they insert less ink). The textured long taper holds and deposits more ink per pass.  


The shorter medium taper (MT) allows greater ink flow and deposits more ink. Because the needle makes more contact with the skin, medium taper needles are ideal for thicker lines. 

Regardless of taper and tattoo cartridge needle size, each is triple-sharpened and available as a Kwadron cartridge tattoo needle box of 20. This guarantees maximum sharpness and no burrs for faster recovery and easier skin healing. 

Quick Tips for Choosing Your Liner Configuration

Let your style guide your needle choice. Different needle counts and taper lengths suit different kinds of work. 

  • The 20-count box is an economical choice and manageable for both burgeoning tattoo artists and seasoned pros. 

  • To control how much ink flows from the needle, choose between medium taper (MT), long taper (LT) and textured long taper needles. Medium taper needles suit broader strokes because of greater ink flow, while long taper needles create finer lines and the tapered version is fantastic for softer lines. 


For the best tattoo cartridge needles, shop the full range of Kwadron round liner cartridges at Ultimate Tattoo Supply.

Frequently Asked Questions

What do round liner cartridges work best for?

Round liners create precise lines. Single needle round liners work great for clear lines. These semi-permanent makeup tattoo cartridge needles are suitable for creating lip liner, eyeliner, beauty marks, lash enhancements and other detail work. For bold lines, a 0.35 mm round liner is ideal, while the smaller 0.25 mm round liner offers sharp precision.  

How does the needle taper affect performance?

Measured from the needle tip to the thickest point, taper length controls how much ink flows from the needle. A long taper (LT) cartridge needle allows more control and finer lines (because it inserts less ink). They are best for delicate, detailed work. Medium taper (MT) cartridge needles make bold-line tattoos easier to create because they allow greater ink flow. 

What does "empty" or "hollow" mean for a tattoo needle configuration?

Hollow needles differ from traditional Kwadron cartridge tattoo needle round liners. Kwadron Sublime cartridge tattoo needles use a solid needle. "Hollow" or "empty" configurations have a hollow center that the ink flows through. Their design allows for faster, more efficient ink flow with impeccable accuracy. Because of their high color saturation, they are best suited to bold outlines and sharp edges.  

What separates Kwadron's round liner tattoo cartridges from other manufacturers?

Kwadron cartridge tattoo needle round liners are some of the best tattoo cartridge needles on the market. They are triple-sharpened and crafted with stainless steel to ensure they never dull. With multiple taper lengths available, every artist can find a Kwadron round liner suited to their specific needs. No matter your liner choice, choosing Kwadron guarantees peak performance. High-quality materials and a unique membrane design ensure ink flows perfectly for accurate lines. 

How do I select which round liner needle configuration is right for my needs?

Your art dictates the best round liner for you. If you need a place to start, both the #10 (0.30mm) and #12 (0.35mm) cartridge tattoo needles provide flexibility for multiple art styles. You can't beat the #12's consistent ink flow. Its versatile size performs reliably for both lining and shading. If you need precision for detail work, the #10 is a solid choice.