Triboulet Ring Sizer Plastic Finger Ring Measuring Tool, x1 (G10503)

This plastic ring sizer mandrel is the essential tool for accurately measuring ring and finger sizes, whether you're a beginner designer or an experienced jeweler. Lightweight, easy to handle, and very legible, it allows you to quickly identify the inner diameter of an existing ring or the ideal size before assembly.

👉 If you want to offer perfectly fitted rings to your customers or secure your DIY creations, this mandrel helps you avoid sizing errors and unnecessary returns.
👉 It integrates perfectly into a jewelry workshop, a order preparation routine, or at craft markets for on-the-spot measurements.

Thanks to its multi-system markings, it offers clear and universal readability: ideal for working with international clientele or easily converting sizes according to standards.

Ideas for use in DIY jewelry

💗 Check the exact size of an existing ring before resale or transformation
💗 Measure finger size to create a custom ring
💗 Standardize your sizing standards for online or in-store sales

🟩 Technical Specifications

Type: mandrel / ring sizer for ring measurement
Length: 261 mm (approximately 26.5 cm)
Measured diameter: approximately 13 to 24 mm
Material: lightweight plastic, resistant and easy to handle

Measurement systems included:
• US sizes: 2 to 15
• UK sizes: A to Z
• Japanese sizes: 1 to 13
• Hong Kong sizes: 3 to 34
• European sizes: 41 to 76

Packaging: sold individually

💡 Gingerlily tip: pair this mandrel with our ring settings, cabochons and findings to offer perfectly fitted creations.

Non-contractual photos, presentation suggestion.

Multi-size plastic ring sizer mandrel, ideal for accurately measuring rings and securing your DIY creations.