specification:
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<br />100%
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<br />color: silver
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<br />material: super magneta3 steel
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<br />size:approx.42mmd*40mmh
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<br />max pull force :37kg
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<br />max operating temperature:80 ° c
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<br />intrinsic coercivity:915 ka/m
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<br />density:7.5 g/cm3
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<br />remanence:1.18t
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<br />quantity:1pcs
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<br />note:1cm=10mm=0.39inch 
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<br />package included:
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<br />1pcs recovery magnet
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<br />features:
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<br />-widely used for river, lake, pit, deep sea and other occasions, salvage operations, 
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<br />can absorb all kinds of iron objects,  this product is widely used by fire fighting, 
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<br />municipal, archaeologicaland maritime sectors; 
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<br />-strong magnetic salvage can be adsorbed on the surface of iron products, used to 
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<br />hang a variety of heavier weight objects.
<br />-great for recovering keys down a drain or overboard a boat.
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<br />-max 37kg pull.magnet hunting，retrieval magnet.
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<br />-a powerful magnetic force focused only on one side, the other three sides almost 
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<br />no magnetism;magnet difficult to break;
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<br />notice:
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<br />1.the real color of the item may be slightly differentthe pictures shown on website
<br />caused by many factors such as brightness of your monitor and light brightness.
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<br />2.please allow1-2mm differences due to manual measurement.
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<br />3.the pull rating is the point at which the magnet will pull awaythe metal 
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<br />object, not how much it will lift.
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<br />if you have any questions, please contact 
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<br />wish you have a happy shopping time!