Amazon.com: Ferrite Pot Magnet with M5 External Thread for Arts, Crafts, Model Making, DIY and Hobbies - 25mm Dia x 7mm Thick 2.21lbs Pull - Pack of 10 : Industrial & Scientific
VERY LARGE & STRONG F £5.62 hxepartners.com
Ferrite Pot Magnet Wholesaler - SDM Magnetics Co., Ltd.
Ferrite Pot Magnet Wholesaler - SDM Magnetics Co., Ltd.
25 mm dia Ferrite Pot Magnet, Thickness: 7 mm, Y 28
Ferrite Pot Magnets Supplier - Magnets By HSMAG
Countersunk ferrite pot magnets D 40 mm - supermagnete.de