Is this a ring stretcher?

I’m not a professional ring maker, but I would say NO, it is not a ring stretcher. The ring stretchers I have seen have involved a mandrel and a press. Hope that helped.

Am i able to hammer onto the ring mandrel? I saw that it was made of aluminum and i’m worried that it will bend or dent.

The ring sizer is aluminum, but the mandrel is steel. You could hammer on a bent ring to make it round again depending on the style of ring. However, I would not use it resize a ring. There are other tools for that.

Can you resize a 14kt gold ring that is now a 8 1/2 to a size 9 ? And is this worth it, or are you better off taking the ring to a jeweler $65.00 !

If its not more than a half size and there is enough gold available in the ring to stretch w/o compromising the strength of the ring.

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💍 Shape your style with precision and care!

DAMAGE FREE CRAFTING - Soft dual-sided rubber mallet protects jewelry surfaces while shaping
PRECISION AT YOUR FINGERTIPS - 27 steel ring sizers covering US sizes 0-13 with half sizes for exact fits
VERSATILE WIRE WRAPPING TOOL - Ideal for wire working, wrapping, and custom ring construction
PROFESSIONAL GRADE DURABILITY - Heavy-duty aluminum mandrel built to maintain perfect ring shape
EFFORTLESS SIZE IDENTIFICATION - Clear, easy-to-read US/UK size chart on mandrel for quick measurements

The HEYMOUS Ring Sizer Mandrel Set is a comprehensive 27-piece steel ring sizing kit featuring US sizes 0-13 with half sizes, paired with a durable aluminum mandrel and a dual-sided rubber jeweler's mallet. Designed for both professionals and beginners, it ensures precise ring measurements and damage-free shaping, perfect for wire wrapping and custom jewelry making.

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