Powerful Neodymium Bar Magnets, Rare Earth Metal Magnet 60 x 10 3 mm, Pack of 30

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. WARNING - The bar magnet is very fragile, it is forbidden to collide with other metal objects (including another magnet), so be careful when you are trying separte them !