This classic AlNiCo Horseshoe Magnet is made to be strong and useful for the educational and industrial uses. We recommend this to all students for science fair projects, science experiments, or just as an educational tool. 

Specifications:
Composition: AlNiCo (Alloy of Aluminum, Nickel and Cobalt) 
Grade: 5 (much stronger than similar magnets in grades 1 or 2)
Production Method: Casting (Not made of powder metals) 
Weight: 50 grams (close to 2 ounces) 
Color: Red 
Pole marking: Printed in white (N for North and S for South) 
Overall Dimensions: 51 mm x 31 mm x 6 mm) 
Pull Strength > 5 lbs (45 times its own weight) 
Dimensions are 2" tall, 1 1/4 inch wide and 1/4" thickness.