• AMAZING magnetic power in a magnet the size of a watch battery!
• Rare-earth (neodymium or NIB) magnets have up to 18X lifting power of same-size ceramic magnets
• Dozens of uses around shop or home; popular with hobbyists and educators
• Set of four nickel-plated magnets, 1/2"-diameter x 3/16" - each rated at 8 lbs lifting capacity

One-year warranty and Jack's Tool Shed worry-free Satisfaction Guarantee.