Bold 7 Round Liner Tattoo Cartridges

Specifications:

• Needle Configuration: Bold 7RL Round Liner (7-Needle Grouping)
• Needle Gauge: #08 (0.25 mm), #10 (0.30 mm), and #12 (0.35 mm)
• Needle Grouping: Loose Spacing
• Needle Taper: 1.5 mm
• Membrane Tension: Medium Tension
• Safety Membrane: Helps prevent ink backflow into the tattoo machine.
• Materials: Medical-grade plastic and 304 stainless steel are used for reliable cartridge construction.
• Sterilization: Each cartridge needle is individually sealed and sterilized using EO (ethylene oxide) gas.
• Packaging Options: Available in 1, 10, or 20 cartridge needles per box.
  
• Compatibility: Compatible with all twist-in style tattoo pen machines and cartridge grips

Seven Needles. Bold Outlines. Unmistakable Definition.

Inkclaw Bold 7RL Round Liner Tattoo Cartridges are designed for professional tattoo artists who favor strong outlines, expressive contours, and distinctive linework.

Featuring a seven-needle Bold Round Liner configuration, the 7RL delivers a substantial working profile for creating prominent outlines and structured tattoo designs.

With three needle gauge options, Inkclaw Bold 7RL cartridges give artists the flexibility to explore different line weights and visual characteristics while maintaining the distinctive character of bold lining.

Designed for Bold Linework

Strong contours. Defined shapes. Lasting visual impact.

• Traditional & Neo-Traditional Tattoos: Create prominent outlines, expressive contours, and classic tattoo linework.

• Japanese Tattooing: Develop bold contours, traditional motifs, and structured outlines for larger compositions.

• Illustrative & Graphic Tattoos: Build strong silhouettes, defined shapes, and high-contrast linework.

• Bold Lettering & Script: Create substantial letterforms, decorative typography, and expressive lettering.

• Blackwork & Ornamental Tattoos: Develop prominent decorative lines, geometric patterns, and structured graphic details.

Bold 7RL Needle Gauge & Geometry

Seven needles. Built for stronger line presence.

The Bold 7RL combines seven round liner needles into a configuration intended for artists who prefer more substantial linework.

Compared with smaller Bold 3RL and Bold 5RL configurations, the seven-needle grouping provides a broader working contact area for more pronounced outlines.

Available in three needle gauges:

• #08 (0.25 mm): A finer diameter for defined outlines and controlled linework.

• #10 (0.30 mm): A versatile diameter for expressive contours and bold lining.

• #12 (0.35 mm): A larger diameter for substantial outlines and stronger visual definition.

Needle diameter, grouping geometry, and taper influence line characteristics, pigment delivery, and working feel.

The ideal configuration depends on the artist's technique, equipment, and desired linework.

Inkclaw Quality Process

Precision is not a feature. It is the foundation.

At Inkclaw, every cartridge is developed with attention to needle geometry, tip polishing, grouping accuracy, and consistent membrane performance.

Manufactured using 304 stainless steel needles and medical-grade plastic components, our cartridges feature a safety membrane designed to help prevent ink backflow.

Each cartridge is individually sealed and EO gas sterilized, reflecting our commitment to reliable tools for professional tattoo artists.

Built Around Real Artists

Designed with artists. Refined through experience.

At Inkclaw, innovation starts with listening to the artists who use our products every day.

From precision-focused single needles to specialized large-format configurations, we continuously refine our designs through professional feedback and real-world experience.

Our goal is simple: to give artists the tools, confidence, and freedom to create without compromise.