Master Magnetics Ceramic Round Base Magnet with Knob Pack - Heavy-Duty Strong Magnets with Knobs for Home and Work - 16 lb Pull Each - Nickel-Plated - 1.43" D - 0.98" H - Chrome - 4-Pack

Master Magnetics Ceramic Round Base Magnet with Knob Pack - Heavy-Duty Strong Magnets with Knobs for Home and Work - 16 lb Pull Each - Nickel-Plated - 1.43" D - 0.98" H - Chrome - 4-Pack

• HEAVY-DUTY MAGNET PACK: With a 16 lb pull strength on clean, flat metal surfaces, these magnets with knobs deliver serious holding power. They are ideal for securing visual aids, calendars, and more in the home, office, classroom, or workshop.
• MAGNETS WITH KNOBS: Enclosed in a nickel-plated steel cup, these ceramic circular magnets feature easy-grip knobs for smooth placement and hassle-free removal. Use them for hanging crafts, blueprints, and other essentials.
• GENTLE ON SURFACES: Made with non-scratch liners, our round magnets protect metal surfaces and install easily without tools, hardware, or leaving behind residue.
• HIGH-QUALITY CONSTRUCTION: Crafted from strontium carbonate and iron oxide, our ceramic (ferrite) magnets are molded, sintered at 2,000°F, precision-ground with a diamond wheel, magnetized, and carefully inspected to ensure reliable performance.
• MASTER MAGNETICS: We are a USA-based company trusted since 1976 for strength, quality, and performance. Our extensive line of affordable, powerful magnets makes tasks easier in homes, workshops, and industrial spaces.