Description Specifications: It can be used for student teaching, classroom presentations, etc. Made of materials, the product is very durable, wear-resistant and has long service life. You can learn the basic physics principles and investigate the physics and magnetism by doing experiments with the magnet. Item Name: U-shaped Magnet Material: Magnetic Material Product Specifications: 100mm, 80mm, 60mm, 40mm Features: Durable, Magnetic, Wear-resistant Product Thickness: 30mm or 1.18, 22mm or 0.87, 10mm or 0.39, 6mm or 0.24 (Approx.) Size: 10cm x 8.5cm x 3cm or 3.94 x 3.35 x 1.18, 8.5cm x 8cm x 2.2cm or 3.35 x 3.15 x 0.87, 6.5cm x 5.5cm x 1cm or 2.56 x 2.17 x 0.39, 4.2cm x 3.6cm x 0.6cm or 1.65 x 1.42 x 0.24 (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x U-shaped Magnet Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.