Saysurey 2 Pcs Large Ferrite Ring Magnets OD3.94 x ID2.36 x 20mm Ceramic Round Magnets with Hole Round Disc Donut for DIY Science Projects Classroom Laboratory

Features

• Package Includes: the package contains 2 pieces ferrite ring magnets with holes, each round magnet has an outer diameter of 100mm (3.94 inch), an inner diameter of 60mm (2.36 inch) and a thickness of 20mm (0.79 inch), the appropriate size is suitable for your use
• Reliable Stability: crafted from reliable quality materials, each ring magnet boasts powerful magnetic force, ensuring a firm hold even against heavier objects; It stays securely in place, meeting all your usage needs; Warning: this product contains magnets; Keep away from children and pets; If swallowed, seek medical help immediately
• Nice Performance: the ceramic magnet has high resistance to demagnetization, corrosion and oxidation, good temperature resistance, anti corrosion and anti rust, and can maintain long term stability in harsh environments
• Wide Application: it can meet the needs of all your magnetic projects and is an excellent ring magnet for your DIY projects; It can also be applied for motors, sensors, medical equipment, electronic equipment and magnetic decorations; It has a wide range of applications in industry, scientific research and daily life
• Warm Note: ferrite ring magnets are very fragile and are prohibited from colliding with other metal objects (including another magnet), so be careful when trying to separate them