Amazon.com: Magswitch Mini Multi Angle Welding Magnet - for Metal Fabrication Welding Accessories and Tools, with 300 Amp Grounding Clamp Holder and Magnet On/Off Capabilities, 150 lb Holding Force : Industrial & Scientific
Strong Hand Tools - 6" Wide x 1-1/2" Deep x 6" High Magnetic Welding & Fabrication Square - 76374271 - MSC Industrial Supply
Strong Hand Tools, MLA600 Adjustable Magnet 30-270° for Welding, Fabrication 679352007861 | eBay
Blue Hawk Welding Magnet in the Welding & Cutting Accessories department at Lowes.com
Manufacturing Process of Ferrite Magnet - SDM Magnetics Co., Ltd.
Wehrli Custom Magnets
Industrial Magnetics, Inc. - Magnets for the Fabrication Industry