✅PRODUCT SIZE - Diameter 0.5"(12mm) x 1.61"(41mm)/0.7"(17mm) x 1.85"(47mm)/0.8"(21mm) x 2"(51mm) height, 2 pack for each size, 6 pack in total. Neodymium magnet grade: N38 magnet.
✅HIGH QUALITY - The magnet keychain is made of quality NdFeB material and stainless steel, shiny and smooth, anti-rust and anti-corrosion, sturdy and durable.
✅MAGNETIC TESTING TOOL - Identify fake/plated jewelry, of which steel or nickel alloy is usually the basic material. Premium quality brass test magnet for jewelry dealers, metal recyclers, brokers, antique buyers and collectors.
✅COMPACT & PORTABLE - With strong magnetic, the keychain magnet is small and lightweight, just put it in your pocket or purse, saves space and easy to carry.
✅MULTIPLE USES - Fixation, salvage, identification of stainless steel products. The versatile keychain magnet can be given as a gift to family and friends.