Magnets coated- Ni+Cu+Ni Triple Layer Coated. The Best Coating Available, which Provides a Shiny and Rust Resistant Protection for the Magnets.
Powerful magnets - Made of Strongest Magnetic Material! Strong Holding Power, Holding Power is not Less than 18 lb per Magnet with Direct Touch and Direct Pull.
Magnets dimensions - 60mm x 10mm x 3mm . Tolerances: 0.2mm x 0.2mm.
DIY Projects & science experiments - Refrigerator Magnets, Shower Door, Work or Office, Scientific Purposes, Arts and Crafts or School Classroom.