6" x 3" Glass Testing Stone w/ Non-Slip Grip - DISCONTINUED
6" x 3" Glass Testing Stone w/ Non-Slip Grip - DISCONTINUED is out of stock and will ship as soon as it is back in stock.
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6" x 3" Glass Testing Stone w/ Non-Slip Grip - DISCONTINUED
Glass Testing Stone — 6" x 3" with Non-Slip Grip
This glass testing stone is a durable 6" x 3" surface designed for precise karat testing with solutions and test needles. The black glass-like finish provides a stable platform and a non-slip grip for secure use in labs, workshops, or jewelry studios.
Perfect for jewelry studios, educational labs, and serious hobbyists, this surface delivers reliable results with every test. Its rugged construction resists heat and chemicals, while the non-slip back keeps the stone firmly in place on damp benches. The 6" x 3" size balances value and convenience for daily workflows.
- 6" x 3" size delivers value and convenience for everyday testing
- Non-slip back keeps the stone securely in place during measurements
- Durable black surface resists staining and cleans easily
- Ideal for determining karat value with standard solutions and test needles
- Lightweight and portable for on-the-go testing
Note: This item is discontinued, but it remains a dependable testing surface for established setups. Add to your order today to secure a ready-to-use solution.
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Love love love!
Excellent service and best delivery timing.
Fast shipping and amazing quality. I would definitely recommend PMC supplies as a seller to shop for that specific stuff. Thank you.
I tested it, and it works great. The impression works well. I need to try a thicker wire. It shipped very fast and it was exactly as shown.. I can't wait to try another plate from this shop.
Fast shipping definitely great item with good quality. I am glad that I have been using PMC supplies to buy my jewelry supplies and tools. Thank you.
It came on time, and even though I haven’t used it yet it is a very good quality product. I have been buying from PMC Supplies for a while and would definitely recommend this place to everyone.
Fast shipment and great quality. Thank you will definitely buy here again.
Great product will buy again
It was a great buy. It came in time and works as described. It is very helpul in a lot of my projects.
Looking forward to using this product. Wanted to get a head start accumulating jewelry supplies.
Nice product. Works as it should.
Shipping cost were atrocious. But product exactly what i needed
Works great!
Excellent, worked very well
Exactly what I needed, very pleased. Great shipping time!
