GEMKIT HH-A01 Professional Ring Stretcher and Reducer, US Sizes 1–14

Durable, Easy-to-Use Ring Sizing Tool : Made with high-hardness materials, it withstands heavy loads. The coil-secured plates ensure stability, while dual-sided plates let you safely expand or reduce rings with gradual force, ideal for jewelers and DIYers.

Key Features

• Professional Ring Stretcher for Resizing & Enlarging: State-of-the-art ring stretcher kit designed to safely and permanently enlarge ring sizes from US 1 to 14. Unlike flimsy adjusters, our tool professionally stretches metal bands for a perfect, lasting fit on tight rings.
• Heavy-Duty Cast Iron Construction & Precision Mandrel: Crafted from durable nodular cast iron for unmatched strength and wear resistance. Features a 4-spline precision mandrel that distributes pressure evenly, preventing ring damage while ensuring smooth, controlled expansion.
• Effortless Operation for Home & Professional Use: No specialized skills needed. The ergonomic, non-slip handle provides maximum leverage for easy turning. Frequently check the ring size on the mandrel to avoid over-stretching. Achieve professional results at home or in your workshop.
• Complete Ring Sizing & Repair Kit: More than just a stretcher – this is a full repair station. Includes a ring sizer/measuring band for accurate sizing, and polishing cloth & bar to buff out scratches instantly after resizing, eliminating secondary processing.
• Versatile Tool for All Jewelry & DIY Projects: Ideal for resizing wedding bands, class rings, coin rings, and solid gold/platinum bands. Perfect for jewelers, repair shops, hobbyists, and DIY enthusiasts working with non-ferrous metals. Create, repair, and customize with confidence.

Designed for the Jewelry Bench

Wide Material Compatibility Perfect for resizing coin rings, gold, platinum bands, and other non-ferrous materials.

Model: HH-A01