Features: Strong magnets deliver strong magnetic, great for securely holding heavy metal objects with compact square designs. Engineered square shape ensures uniform alignment, while high temperature resistance (up to 150°C) ensures long time durability in demanding environments. Suitable for craft enthusiasts, teacher, engineers, and office professional needing magnetic push pin for industrial project or daily organization. Effortlessly mount tool in office, display artwork, or secure documents on metal surfaces like refrigerators, cabinet and whiteboards. Package comes with 30pcs square shape magnetic push pin combine strong magnetic strength, safely handling repetitive use without demagnetization risks. Specifications: Color: Silver Component: Strong Magnetic, Metal Small Size: Approx. 5x5x5mm/0.2x0.2x0.2in Large Size: Approx. 10x10x10mm/0.39x0.39x0.39in Weight: Approx. 30g Package Includes: 30Pieces Square Magnets note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color