If a permanent makeup (PMU) cartridge label looks like a wall of numbers and abbreviations, do not start by decoding every character. Start with the connection your machine accepts. Then compare needle configuration, diameter, taper and pack size—in that order.
ATTO’s view is simple: interface fit is non-negotiable; every other specification comes after it. This keeps an impressive-looking option from becoming the wrong cartridge for your machine.
First decide: universal-style or BMX screw?
ATTO currently offers two separate PMU cartridge systems: universal-style cartridges and BMX screw cartridges. They are different purchase paths, not interchangeable names for the same product.
Check the machine product page, manual or cartridge already used with the machine. Look for the connection type before comparing needle configurations. “Universal” describes a cartridge style, but it should never be read as a promise that the cartridge fits every PMU machine.
If the connection is still unclear, send ATTO the exact machine name, model or product-page link. A specific machine identity is more useful than trying to judge compatibility from a photograph.
Browse ATTO PMU needle cartridges
What information is inside a cartridge option?
A PMU cartridge option usually combines several decisions in one label. Read the complete Style value rather than shopping from one abbreviation.
- Needle count tells you how many individual needles form the grouping. It is often the leading number in the Style code.
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Configuration describes the grouping shape. ATTO’s current range includes labels such as
1R,RL,RS,Flat,MG,CM,XF,0411UandSF. - Diameter states the width of each needle before the point narrows.
- Taper describes that narrowing section and may appear directly in the Style name.
For example, 3RL-0.25mm Long Taper describes a three-needle round-liner grouping with a 0.25 mm diameter and a long taper. It is a specification, not a ranking. A smaller number is not automatically a better choice.
How should you compare needle configurations?
Use configuration to compare the shape and footprint required by your trained workflow. Do not treat a configuration code as a universal procedure recommendation.
Single-needle and round-liner labels describe compact round groupings. Round shaders use multiple needles in a circular grouping. Flat and magnum families arrange multiple needles across a wider shape, while curved or specialised flat labels identify a different grouping profile.
The code helps you reach the right product family. Your established technique, machine setup and practice determine the final Style. When changing configuration, evaluate the complete setup on appropriate practice material before using it in professional work.
Where do diameter and taper enter the decision?
Diameter and taper refine a shortlist after the cartridge system and configuration are known. They answer different questions, so one should not be used as shorthand for the other.
ATTO displays these details inside relevant product Style selectors. Two products can share an RL or RS family name while offering different counts, diameters or taper labels. Open the product page and read the selected Style in full before ordering.
Avoid choosing from one number alone. The useful comparison is the complete combination: connection, configuration, count, diameter and taper.
How is ATTO’s current PMU cartridge range organised?
The collection is organised into two clear systems:
- Universal-style PMU cartridges: eight product families with configuration-specific Style options and live 10- or 20-cartridge pack selectors.
- BMX screw PMU cartridges: eight product families made for the BMX screw purchase path, currently listed in 10-cartridge packs with product-specific Style and material selectors where available.
These counts describe the current ATTO catalogue, not a permanent product promise. The live product page remains the final source for available Styles, materials, packs and stock.
A reliable path from machine to basket
Use this sequence whenever you compare PMU cartridges:
- Identify the cartridge connection accepted by the machine.
- Enter the matching universal-style or BMX screw product family.
- Choose the configuration used by your trained workflow.
- Read the complete Style, including count, diameter and taper where shown.
- Confirm the selected material or pack option on the live product page.
- Recheck the machine and cartridge identities before adding to cart.
This sequence prevents a common purchasing mistake: spending time comparing fine specifications before confirming that the cartridge belongs to the correct system.
Five checks before ordering
Before adding a PMU cartridge to your cart, confirm:
- The connection matches your exact machine.
- The configuration matches your intended trained workflow.
- You have read the complete Style—not only
RL,RSor another short code. - The diameter and taper are the options you intended to select, where listed.
- The material and pack shown in the cart match the product-page selection.
If any answer is uncertain, pause at the product page and ask ATTO to check the machine identity before ordering. That is faster than trying to solve compatibility from a cartridge silhouette or product name alone.
Frequently asked questions
Do universal-style PMU cartridges fit every PMU machine?
No. “Universal” identifies a cartridge style; it does not guarantee compatibility with every machine. Confirm the connection required by the exact machine model.
Does a smaller diameter mean a better cartridge?
No. Diameter is one part of a complete Style specification, not a quality score. Compare it only after connection and configuration are settled.
Where can I find the diameter and taper?
Open the cartridge product page and read the Style selector. Relevant options include the diameter and taper directly in the Style label.
What should I send ATTO for a compatibility check?
Send the exact machine name, model or product link. If the manual names the cartridge system, include that wording as well.
Choose from the correct PMU cartridge system
Begin with the machine connection, then use configuration and the full Style label to narrow the range. Compare the current ATTO PMU cartridge collection when you are ready to match those decisions to live product options.