magnet source 07222 round base magnet, ceramic, 1 in id x 2.618 in od dia, 3/8 in h

Add a hook or a knob and use this magnet for holding and positioning shop lights, tools, plants and more to steel surfaces such as refrigerators, filing cabinets, metal beams, walls and doors.

• Each powerful magnetic assembly has a durable nickel-plated cup with mounting hole
• Add a hook or knob to hold lights, tools, plants and more to steel surfaces
• Extra strong ceramic magnetic bases can suspend heavy items such as speakers and spotlights

• Catalog https://assets.unilogcorp.com/187/ITEM/DOC/Magnet_Source_100007648_Catalog.pdf