--- product_id: 263474907 title: "Feramox Invisible Ring Size Adjuster for Loose Rings Ring Adjuster Fit Any Rings, Assorted Sizes of Ring Sizer" brand: "feramox" price: "€ 23.82" currency: EUR in_stock: true category: "Feramox" url: https://www.desertcart.pt/products/263474907-feramox-invisible-ring-size-adjuster-for-loose-rings-ring-adjuster store_origin: PT region: Portugal --- # Waterproof for all-day secure wear Adjusts ring size by 0.5-2 US sizes Reusable & tool-free clip-on design Feramox Invisible Ring Size Adjuster for Loose Rings Ring Adjuster Fit Any Rings, Assorted Sizes of Ring Sizer **Brand:** feramox **Price:** € 23.82 **Availability:** βœ… In Stock ## Summary > πŸ’ Lock in your perfect fitβ€”because your ring deserves to stay put! ## Quick Answers - **What is this?** Feramox Invisible Ring Size Adjuster for Loose Rings Ring Adjuster Fit Any Rings, Assorted Sizes of Ring Sizer by feramox - **How much does it cost?** € 23.82 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/263474907-feramox-invisible-ring-size-adjuster-for-loose-rings-ring-adjuster) ## Best For - feramox enthusiasts ## Why This Product - Trusted feramox brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Damage-Free Resizing:** Resize your rings safely without any damage or sticky residue. - β€’ **Versatile Size Range:** 8-piece set fits ring widths from 1mm to 10mm, covering thin to wide bands. - β€’ **Waterproof & Reliable:** Stays secure through hand washing, dish soaking, and sweatβ€”no slipping. - β€’ **Perfect Fit, Every Time:** Instantly stops ring spinning and slipping without glue or tools. - β€’ **Comfort Meets Durability:** Made from smooth, flexible, non-scratch TPU for all-day weightless comfort. ## Overview Feramox Invisible Ring Size Adjuster is a patented, reusable TPU clip-on solution that reduces ring size by 0.5 to 2 US sizes. Designed for all ring widths (1-10mm), it prevents slipping and spinning without glue or tools. Waterproof and comfortable, it’s trusted by thousands for daily wear and damage-free resizing. ## Description Great prices on your favourite Office brands plus free delivery and returns on eligible orders. ## Features - For anyone with loose rings – whether from weight loss, a wrong-sized proposal ring, or daily finger changes. Just insert this clip-on guard – no glue, no tools. Instantly stops spinning and slipping. - 8-piece set covers from 1mm to 10mm widths – thin women's bands to wide men's rings. Clip-on design - easy and safe to use - ideal for wedding prep or daily wear. Reusable across different rings. - Resize rings without damaging them. Reduce inner diameter by 0.5 to 2 US sizes. Stop the ring sliding/twisting off your finger. Waterproof – stays secure through hand washing, dish soaking, or sweat. - Made of smooth, flexible, non-scratch plastic – safe for platinum, gold, silver, or tungsten bands. Provides a secure fit that feels weightless. Comfortable for all-day wear. - Feramox – US patent holder since 2020. Built for long-term daily use. Remove anytime without sticky residue. Trusted by thousands who no longer deal with loose rings. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07C15P2F7 | | Best Sellers Rank | 3,704 in Fashion ( See Top 100 in Fashion ) 23 in Ring Sizers | | Brand | Feramox | | Colour | (1)-8pcs,1-10mm | | Customer Reviews | 4.0 4.0 out of 5 stars (41,938) | | Date First Available | 15 April 2018 | | Guaranteed software updates until | unknown | | Item Weight | 18.1 g | | Material | tpu | | Model Number | FM01-JA-5 | | Product Dimensions | 11.91 x 8.89 x 0.51 cm; 18.14 g | ## Images ![Feramox Invisible Ring Size Adjuster for Loose Rings Ring Adjuster Fit Any Rings, Assorted Sizes of Ring Sizer - Image 1](https://m.media-amazon.com/images/I/71y6RtkbqmL.jpg) ![Feramox Invisible Ring Size Adjuster for Loose Rings Ring Adjuster Fit Any Rings, Assorted Sizes of Ring Sizer - Image 2](https://m.media-amazon.com/images/I/514QZ0wj73L.jpg) ![Feramox Invisible Ring Size Adjuster for Loose Rings Ring Adjuster Fit Any Rings, Assorted Sizes of Ring Sizer - Image 3](https://m.media-amazon.com/images/I/41pBVcpOfrL.jpg) ![Feramox Invisible Ring Size Adjuster for Loose Rings Ring Adjuster Fit Any Rings, Assorted Sizes of Ring Sizer - Image 4](https://m.media-amazon.com/images/I/41YkyfFY8uL.jpg) ![Feramox Invisible Ring Size Adjuster for Loose Rings Ring Adjuster Fit Any Rings, Assorted Sizes of Ring Sizer - Image 5](https://m.media-amazon.com/images/I/51Mt+UqSRgL.jpg) ## Available Options This product comes in different **Color** options. ## Questions & Answers **Q: Does it work for all types of rings?** A: It works best on rings with a flat inner surface(not for round rings). **Q: How much ring size does it reduce?** A: It reduces 0.5-2 sizes, which depends on your ring width and adjuster size. **Q: Can i use this instead of professional ring resizing?** A: Yes. It's a cost-effective and temporary alternative. And it's very easy to put on and remove anytime. **Q: Does it fall off when i wash my hands?** A: No. Once you clip it on the ring correctly, it will stay secure during hand washing and daily wear. **Q: Can it be used on all ring materials?** A: Yes. It's made of smooth, flexible, non-scratch plastic, which is safe for platinum, gold, silver, or tungsten rings and so on. ## Frequently Bought Together - Invisible Ring Size Adjuster for Loose Rings Ring Adjuster Fit Any Rings, Assorted Sizes of Ring Sizer - Ring Sizers for Loose Rings, Eiito Ring Size Adjuster Spacers or Tightener, Invisible Guards, 6 Sizes Fitter, Resizer Fit Almost Any Rings, Reduces Size by 0.5-1.5 --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.pt/products/263474907-feramox-invisible-ring-size-adjuster-for-loose-rings-ring-adjuster](https://www.desertcart.pt/products/263474907-feramox-invisible-ring-size-adjuster-for-loose-rings-ring-adjuster) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-10-03*