1、Nickel‑plated rare earth magnet, which has a suction force many times larger than itself, and is firmly fixed. 2、The kit contains 7 bright and vivid colors so that you can color-mark items when you use them. 3、Adopt high-quality plastic shell, exquisite and beautiful appearance, wide application range. 4、These magnetic thumbtacks can be used together to fix the two ends of the object surface. 5、Fix documents, fix teaching utensils on the teaching whiteboard, leave messages on the refrigerator, etc. Item Type: Magnetic Thumbtack Transparent Colors: Red, orange, yellow, green, blue, purple, white (2pcs for each color) Product Size: Approx. 11 x 17mm / 0.4 x 0.7in (Bottom Diameter x Height) Magnet Size: Approx. 6 x 3mm / 0.2 x 0.1in (Diameter x Height) Application: Fixing materials at work, fixing teaching utensils on teaching whiteboards, and leaving messages on the refrigerator 14 x Magnetic Thumbtack