20pcs N50 Strong Countersunk Ring Magnets 12 x 3mm Hole 4mm Rare Earth Neodymium




Price:
US$8.99

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Description:
20pcs N50 Strong Countersunk Ring Magnets 12 x 3mm Hole 4mm Rare Earth Neodymium

Specification:
Shape : Round
Material : NdFeB magnetic materials
Product Size : 12*3mm
Hole Diameter: 4mm
Grade : N50
Quantity :20pcs
Ages:7+ ages, both for kids and adults.

Features:

Super strong Rare-Earth magnets – once they get stuck with each other, they are hard to break apart.
Can also be used to extend protected lithium batteries with recessed contact points.
Electrically conductive (making them suitable to extend recessed batteries).
Perfect for sticking notes on fridge doors.
Great for do-it-yourself projects.

Package Included:
20x Countersunk  Magnets

 


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