Permanent Magnet Crane Magnetic Lifter 400kg Heavy Duty Steel Crane Hoist Lifting Magnet Industrial Magnetic Chuck - Power Tool Accessories - AliExpress
With permanent magnet and steel sleeve
VEVOR VEVOR Magnetic Lifter, 220LBS Lifting Capability Lifting Magnet, 100KG Hoist Magnet, Neodymium Iron Permanent Magnet Crane, Heavy Duty for Lifting Steel Sheets, Plates, Blocks, and Cylinders | VEVOR EU
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VEVOR Magnetic Lifter 660lbs Capacity, Steel Lifting Magnet 300KG, Permanent Magnetic Lift Hoist Shop Crane with Handle, Heavy Duty Metal Lifting Magnet for Material Lifting Equipment in Yellow - Walmart.com
Permanent Magnets and Alloys - An Overview
600KG Magnetic Lifter, Permanent Magnet Crane, Permanent Magnetic Lifting Magnet Tool, for Handling Steel Plates, Iron Blocks and Cylindrical Iron: Amazon.com: Industrial & Scientific
Cheap 200/100pcs Lodestone Magnet Magnetic Steel NdFeB Small Round N35 Neodymium Magnet Super Strong Magnetic Magnetite Rare Earth Permanent Magnet | Joom
Mophorn Lifting Magnet with Release,1320 Lbs Pulling Force - Steel Magnetic Lifter,Neodymium - Permanent Lift Magnets,Heavy Duty - for Hoist, Shop Crane, Block, Board: Amazon.com: Industrial & Scientific