NdFeb Disk Magnets (Large) Organic Chemistry Molecular Model Sets, Permanent Neodymium Rare Earth Magnets, Magnifying Glasses, Test Strips, Lab Supplies, Tuning Forks Blocks Cubes Cylinders Discs (Sm) Discs (Lg.) Rings Squares			Strong Neodymium Disc Magnets Our largest rare earth neodymium disc magnet, the 25x20mm, is among the most powerful rare earth magnets we carry. Use it to demonstrate Lenz's Law, among other things. Get a one foot (30cm) length of 1" diameter copper pipe watch and hat happens when you insert this magnet & let it free fall. Try a much longer piece for even more dramatic effect! For holding force/field strengths click on: To locate or align magnets, click on: Large Neodymium Disc Magnet Sets With over 50 sizes of N42 neodymium disk magnet to choose from, every permutation and combination of sample packs would be impossible to list. Instead, you can your own as follows: Click on the "Search" link to the left & type in "4420*". This will list all the large and small neodymium disc magnets as well as the neodymium (rod) magnets, including their quantity discounts, so you can quickly pick and choose the quantities of any size. See also: Click on Add to Cart Button or "Unit: 1-9" for Quantity Pricing NdFeB Disk Magnet Quantity Pricing NdFeB Disk Magnet Tech. Specs. P/N Description Qty Unit ($US) U.S.A.($CA) Canada($US) Other 44205-1 Disc magnet D15x1mm 1-9 0.65 44205-2.5 Disc magnet D15x2.5mm 1-9 1.20 44205-5 Disc magnet D15x5mm 1-9 2.15 44205-7.5 Disc magnet D15x7.5mm 1-9 3.95 44205-10 Disc magnet D15x10mm 1-9 3.95 44205-12.5 Disc magnet D15x12.5mm 1-9 6.50 44206-1 Disc magnet D17.5x1mm 1-9 0.90 44207-2.5 Disc magnet D20x2.5mm 1-9 2.50 44207-5 Disc magnet D20x5mm 1-9 3.25 44209-2.5 Disc magnet D25x2.5mm 1-9 2.95 44209-5 Disc magnet D25x5mm 1-9 5.35 44209-10 Disc magnet D25x10mm 1-9 13.25 44209-12.5 Disc magnet D25x12.5mm 1-9 12.75 44209-20 Disc magnet D25x20mm 1-9 22.95 Click to see: Inch to Metric Conversion

INDIGO® INSTRUMENTS Top Organic Chemistry Molecular Model Sets, Permanent Neodymium Rare Earth Magnets, Magnifying Glasses, Test Strips, Lab Supplies, Tuning Forks © Copyright 1997-2012, Indigo® Instruments. All Rights Reserved.