50PCS Round Shader Tattoo Cartridge Needles RS Mixed Size EO Sterilized Disposable Individually Sealed for Rotary Tattoo Machine Pen Artists & Beginners
50PCS Round Shader Tattoo Cartridge Needles RS Mixed Size EO Sterilized Disposable Individually Sealed for Rotary Tattoo Machine Pen Artists & Beginners
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50PCS Round Shader Tattoo Cartridge Needles RS Mixed Size EO Sterilized Disposable Individually Sealed for Rotary Tattoo Machine Pen Artists & Beginners
50PCS Round Shader Tattoo Cartridge Needles — RS Mixed Size, EO Sterilized
Stock up and never run short mid-session. This bulk pack of 50 individually sealed Round Shader (RS) tattoo cartridge needles in mixed sizes gives professional artists and beginners alike a reliable, hygienic supply for shading, blending, and color packing. Each needle is EO gas sterilized and sealed in individual packaging — ready to use straight from the box with zero prep. Compatible with all standard rotary tattoo pen machines, these Blue Whale cartridge needles deliver smooth, consistent ink flow and reduced skin trauma for cleaner results and better healing.
Key Features
- 📦 50 Needles Per Set: Bulk pack keeps your studio or practice sessions fully stocked without frequent reordering
- 🎯 Round Shader (RS) Configuration: Ideal for shading, blending, color packing, and smooth gradient fills
- 📐 Mixed Sizes Included: Versatile assortment covering a range of RS gauges for different shading techniques
- 🛡️ EO Gas Sterilized: Each needle is ethylene oxide sterilized for maximum safety and hygiene
- 📌 Individually Sealed Packaging: Every cartridge is sealed separately — sterile until the moment you open it
- 🔧 Universal Compatibility: Fits all standard rotary tattoo pen machines and cartridge-style devices
- 💧 Smooth Ink Flow: Precision-engineered tips for consistent ink delivery and reduced skin trauma
Specifications
| Specification | Detail |
|---|---|
| Brand | Blue Whale |
| Quantity | 50pcs per set |
| Needle Type | Round Shader (RS) |
| Sizes | Mixed (5RS and more) |
| Packaging | Individually sealed |
| Sterilization | EO Gas sterilized |
| Usage | Single-use disposable |
| Compatibility | All standard rotary tattoo machines & pen devices |
Frequently Asked Questions
Q: What are Round Shader (RS) needles best used for?
A: Round Shader needles are arranged in a circular cluster with slightly more spread than Round Liners, making them ideal for shading, soft blending, color packing, and smooth gradient fills. They're one of the most versatile needle types for both traditional and realism tattoo styles.
Q: Are these needles compatible with my tattoo machine?
A: Yes — these cartridges use a universal design compatible with all standard rotary tattoo pen machines and cartridge-style devices. Always verify your machine accepts standard cartridge sizes before use.
Q: Why buy a 50pcs bulk pack?
A: A 50pcs pack ensures you always have enough needles on hand for busy studio days, extended practice sessions, or conventions without running out mid-session. Buying in bulk also reduces per-needle cost compared to smaller packs.
Q: What does EO gas sterilization mean?
A: EO (ethylene oxide) gas sterilization is an industry-standard method for sterilizing medical and body art equipment. It effectively eliminates bacteria, viruses, and other pathogens without damaging the needle, ensuring each cartridge is completely sterile when you open the individual sealed packaging.
Q: Can beginners use these needles?
A: Absolutely. Round Shader needles are beginner-friendly for shading practice on fake skin. The mixed size assortment lets beginners explore different shading techniques without needing to purchase multiple separate packs.
Q: Is this a good gift for a tattoo artist?
A: Yes! A 50pcs bulk needle pack is a highly practical, always-appreciated gift for tattoo artists at any level. It's the kind of consumable supply that every artist goes through regularly and is always happy to have more of.
Fast US Shipping
Ships from our US warehouse — enjoy free delivery in 2–7 business days to all 50 states. Order today and keep your kit fully stocked with Skin Smooth Care.

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