7RL 0.30 mm EZ Revolution Tattoo Cartridges – Round Liner for Bold Outlines & Smooth, Consistent Linework
Description
EZ Revolution 7RL 0.30 mm Round Liner Tattoo Cartridge
The EZ Revolution 7RL 0.30 mm Tattoo Cartridge (1007RL) is engineered for artists who need strong, steady lines with excellent saturation. The 7-round-liner grouping provides bold, confident outlines perfect for traditional linework, lettering, graphic designs, and structured detailing.
The 0.30 mm diameter delivers a balanced line thickness with clean pigment distribution, while the transparent tip and ergonomic housing enhance comfort and visibility. A high-quality anti-backflow membrane ensures safe operation and consistent needle stability during longer sessions.

Key Features
- 7RL (1007RL) round liner configuration for bold, saturated outlines.
- 0.30 mm needle diameter offers clear definition and consistent line width.
- Anti-backflow membrane ensures safe, hygienic tattooing and protects the machine.
- Smooth, even pigment flow for clean and uninterrupted strokes.
- Transparent tip for precise needle visibility.
- Ergonomic housing designed to reduce hand fatigue during long sessions.
- Medical-grade materials and EO gas sterilisation for safety and reliability.
- Compatible with most rotary tattoo machines and universal cartridge grips.
Technical Specifications
| Needle Type: | Round Liner (7RL / 1007RL) |
| Needle Diameter: | 0.30 mm |
| Needle Material: | Surgical Stainless Steel |
| Tip Material: | Medical-Grade Plastic |
| Safety Feature: | Anti-Backflow Protective Membrane |
| Sterilisation: | EO Gas, Individually Blister-Packed |
| Compatibility: | Universal Cartridge Grips & Most Rotary Machines |
| Colour: | Transparent Body |
| Packaging: | Box of 20 Cartridges |
Why Choose EZ Revolution 7RL 0.30 mm?
- Perfect for bold outlines, graphic designs, and structured linework.
- Consistent 7-needle grouping ensures stable, reliable strokes.
- 0.30 mm size delivers clear, strong lines suitable for a variety of tattoo styles.
- Premium anti-backflow membrane provides optimal hygiene and safety.
- Ideal for artists working in traditional, neo-traditional, lettering, and illustrative styles.
- Comfortable and stable for long, high-performance tattoo sessions.
FAQ
Q: What is 7RL 0.30 mm best used for?
A: It’s ideal for bold outlines, lettering, graphic designs, and medium-to-strong linework.
Q: Does this cartridge work with most machines?
A: Yes, it fits all tattoo machines using universal cartridge grips.
Q: Is there a membrane inside?
A: Yes, a premium anti-backflow membrane prevents fluid from entering the machine.
Q: Does the 0.30 mm diameter give thick lines?
A: It provides a balanced, medium-strong line width—ideal for bold outlining and structured work.
Reviews & Rating
Average rating: ⭐️⭐️⭐️⭐️⭐️ (4.8 / 5)
Daniel W. – "These 7RL cartridges give beautifully strong lines. Very consistent and reliable."
Isabella F. – "Great for traditional outlines. Smooth flow and stable needles every time."
Harvey Q. – "Precise, bold, and clean. Perfect for thicker outlines and graphic designs."
In summary: The EZ Revolution 7RL 0.30 mm Tattoo Cartridge delivers bold, clean outlines with excellent stability and hygienic performance—an ideal round liner for strong, consistent linework across multiple tattoo styles.