25 pieces Neodymium Block Magnets 2"x1"x0.5" Thick for wind turbine Grade N42, 42MGOe, Super Strong, Best performance-cost ratio, Stronger than N40, N38 and N35 The price is for 25 pieces NdFeB magnets featured in Hugh Piggott's book 'How to Build a Wind Turbine'.Lowest price on Ebay, Guaranteed !These magnets are designed & manufactured to meet the highest quality standards. Nickel+Copper+Nickel triple-layer Plated, best coating available Magnetized through 0.5", poles are on the large flat sides (2"x1" surface). Pull force : Over 72 lbs Buy with confidence from us: Trusted and reliable global magnet distributor and supplier. Committed to customers with lowest price, highest magnet quality. Honesty and trustworthiness are our #1 priority. Outstanding customer service. Proven track record and excellent reputation. All of our Neodymium Iron Boron magnets are manufactured in ISO certified factory. If you want to buy multiple items of this size or other sizes please visit our store inventory to purchase. NdFeB Magnet Applications: Magnetic water treatment, wind turbine generators, medical devices, loudspeakers, microphones, Motors, Actuators, Sensors, hard disc drives, lifting, magics, seperation, metal detection, etc. On Sep-05-07 at 04:06:44 PDT, seller added the following information: Randy47 store Shipping Policy For Domestic Shipping we use UPS ground for this item. Shipments to Puerto Rico, Hawaii, Alaska, and other US territories will be via USPS. USPS tracking is not accurate or "real-time". While your USPS package may appear to be held up in one place for several days, nearly all packages arrive within the normal 3-7 business days. However, a few may take up to 20 business days to arrive. Please contact us if your package takes longer than normal to arrive. We use UPS standard for Canada. Randy47 store SquareTrade © AP6.0