12G (0.35mm) Round Liners — Yilong Diamond & Yellow Dragonfly

Pull crisp, solid lines with total confidence using 12G (0.35mm) Round Liner (RL) Cartridge Needles. Standard 0.35mm (12 Gauge) needles hold more ink per pass, delivering consistent pigment deposit and sharp, defined linework without skipping or spraying.

Pick your preferred cartridge housing style from two reliable studio brands:

• Yilong Diamond: Designed with a rigid diamond-profile casing that locks the needle grouping in place to reduce vibration and eliminate needle flex on tight turns.

• Yellow Dragonfly: Features high-visibility clear/yellow housing that lets you monitor your ink reservoir level and needle depth at a glance.

Key Features:

• Tightly Grouped Pinpoint Configuration: Formulated specifically for pulling sharp, single-pass outlines and intricate line details.

• 0.35mm (12 Gauge) Standard Diameter: Maximum ink capacity and structural rigidity for clean, solid line saturation.

• Protective Internal Membrane: High-tensile safety membrane completely seals fluids and ink away from your rotary machine grip.

• E.O. Gas Sterilized: Individually sealed in sterile blister packaging for 100% safe, hygienic single-use operation.

• Universal Compatibility: Fits all standard cartridge-style pen machines and cartridge grips.