For tattoo artists, understanding needle types is as important as mastering the art itself. Among the most commonly used are Round Shader (RS) tattoo needles, designed specifically for shading, coloring, and blending. This article provides a comprehensive breakdown of what RS needles are, how they differ from other configurations, when to use them, and how premium cartridges like Mast SMP MAX Tattoo Cartridges enhance the tattooing experience.

Table of Contents
Introduction to Tattoo Needle Types
Tattoo needles come in many shapes and sizes, each serving a unique purpose. Choosing the right configuration allows artists to:
- Achieve clean outlines or smooth shading
- Ensure the tattoo heals properly with minimal trauma
- Enhance the precision and detail of their artwork
Round shaders are one of the most versatile configurations, especially for shading and filling.
What is a Round Shader (RS) Tattoo Needle?
A Round Shader (RS) needle consists of multiple needles arranged in a circular formation but spaced farther apart compared to Round Liner (RL) needles. This looser grouping allows the artist to cover more skin area with each stroke, making them ideal for blending colors and creating gradients.
Key Characteristics:
- Formation: Circular but not as tightly packed as RL
- Skin Contact: Softer penetration compared to liners
- Primary Use: Shading, coloring, blending
Common Uses of RS Needles
- Shading: Perfect for black-and-grey gradients
- Color Packing: Fills in solid areas with ink efficiently
- Blending: Creates smooth transitions between tones
- Soft Effects: Ideal for portraits and realism tattoos
RS vs RL: What’s the Difference?
Many beginners confuse RS (Round Shader) with RL (Round Liner). While they look similar, their purposes are very different.
- RL: Tightly grouped for sharp outlines and precision work
- RS: Loosely grouped for smooth shading and coloring
In short: use RL for outlines and RS for shading.
Benefits of Using RS Needles
- Efficiency: Covers more skin surface with fewer passes
- Versatility: Useful for both color and black-and-grey work
- Artist-Friendly: Provides softer contact, reducing skin trauma
- Professional Finish: Achieves smooth gradients for realism and portrait tattoos
Spotlight: Mast SMP MAX Tattoo Cartridges
The Mast SMP MAX Tattoo Cartridges are designed to bring precision and comfort to shading and lining. Built with input from professional artists, they are trusted globally for efficiency and reliability.
- Optimized for SMP Design: Consistent puncture depth for reliable results
- Effortless Holder Management: Easy disassembly and reassembly
- Artist Collaboration: Developed with global tattoo artists for performance
- Durability: Long-lasting needle filament for extended use
- Innovation: Regular upgrades based on artist feedback
Available Configurations:
- 0401RL = 0.18MM 1RL
- 0403RL = 0.18MM 3RL
- 0601RL = 0.20MM 1RL
- 0603RL = 0.20MM 3RL
- 0801RL = 0.25MM 1RL
- 0803RL = 0.25MM 3RL
- 1001RL = 0.30MM 1RL
- 1003RL = 0.30MM 3RL
- 1201RL = 0.35MM 1RL
Summary Table
Needle Type | Best For | Advantages | Limitations |
---|---|---|---|
RS (Round Shader) | Shading & Color Packing | Smoother gradients, softer skin contact, versatile | Not suitable for sharp outlines |
RL (Round Liner) | Outlines & Lettering | Crisp lines, precision, great for details | Not efficient for shading |
FAQs
1. Can RS needles be used for outlines?
They can, but they won’t give the crisp, clean lines that RL needles provide. RS is better for shading.
2. What size RS needle should I use?
Smaller RS needles are good for detailed shading, while larger ones are better for filling large areas.
3. Are RS needles suitable for beginners?
Yes, RS needles are forgiving and great for learning shading techniques.
4. Can I use RS for both color and black ink?
Absolutely. RS needles are versatile for both solid color packing and black-and-grey shading.
5. How do Mast SMP MAX cartridges improve shading?
They maintain consistent depth and smooth ink flow, making them perfect for RS applications.