Kwadron Cartridge Tattoo Needles Box of 20 - 9 Round Shader #12 Medium

In this review of the Kwadron Cartridge Tattoo Needles box of 20, the bottom line is simple: these cartridges are built for artists who need consistent, stable shading performance with minimal drag. The reviewer found the combination of a stabilizing system and medical grade plastic housing delivers precise needle control and reduced friction during longer sessions, making them a reliable choice for technicians working with mast tour machines or coil setups that accept cartridges. For anyone prioritizing accuracy and protection from ink backflow, this set stands out.

Key Features

• Precisely made: The cartridges are manufactured with high-quality materials to maintain consistent grouping and reliable performance session after session.
• Stabilizing system: A unique stabilizing design improves accuracy and steadiness while shading, which helps deliver even ink distribution.
• Medical grade housing: The plastic cartridge housing reduces friction between the needle grouping and the tip, allowing smoother passes and less drag on skin.
• Membrane protection: The full membrane guards against ink backflow, protecting the machine and maintaining a hygienic workflow.
• Razor-sharp steel needles: Surgical steel construction keeps the tips sharp and precise for clean lines and predictable healing.
• Pack quantity: One box contains 20 cartridges, convenient for busy artists or for stocking up between supplies runs.

Who It's For

These 9 Round Shader #12 medium taper cartridges are aimed at professional and experienced tattoo artists who use cartridge systems and need dependable shading tools. They are particularly useful for artists doing solid fills, soft shading and gradual gradients where stability and low friction matter.

Beginners who are still learning needle depth and technique will still find them usable, but those on a tight budget or who prefer single-use loose needles may want to compare cost per use. Artists requiring specialty liners or very tight line configurations should look for alternative configurations in the same brand.

Pros & Cons

Pros

• High-quality construction provides consistent needle performance and durability.
• Stabilizing system enhances accuracy and helps maintain even shading.
• Membrane protection reduces risk of ink backflow, improving hygiene and machine safety.
• Medical grade plastic housing lowers friction for smoother passes.

Cons

• Sold in a fixed configuration of 20 cartridges, so artists who need varied sizes must mix purchases.
• Price may be higher than generic cartridges for artists on a strict budget.

Specifications

Brand	Kwadron
Quantity	Box of 20 cartridges
Configuration	9 Round Shader #12 medium taper
Needle material	Surgical steel
Housing	Medical grade plastic
Anti-backflow	Full membrane protection

Our Verdict

The Kwadron 9RSMT box of 20 cartridges is a smart buy for artists who value consistency, precision and a cartridge that protects against ink backflow. While not the cheapest option, the combination of a stabilizing system, medical grade housing and surgical steel needles delivers predictable shading performance and good long-term value for professionals and serious hobbyists.

Frequently Asked Questions

Are these cartridges suitable for coil and rotary machines?
Yes, they are compatible with cartridge-ready rotary and mast tour machines that accept standard cartridge fittings.

Do the cartridges prevent ink from reaching the machine?
They use a full membrane system designed to protect against ink backflow and reduce contamination risk.

What is the needle configuration included in the box?
The box contains 20 cartridges of 9 Round Shader in a #12 medium taper configuration.