New Acid Test Stone
- This is a new acid test stone
- This stone is used to test 9ct, 14-15ct, 18-24ct,silver and platinium.
- Use this stone with acid solutions to test your item.simply rub test subject onto stone and apply testing solution directly onto the stone.
- Great way to test without marking the subject
- It measures approximately 4" x 3" x 1/2" (100 x 75 x 12 mm)
4" x 3" x 1/2" / 100 x 75 x 12mm Gold, Silver, Platinum Testing Stone
£6.99Price