I bought these to use as a plate to attach the magnet to and the magnet doesn't stick to it. I'm not sure what it's made of, but it's not steel.
π§ Boeray Stainless Steel Straight Brackets Mending: Durable and Versatile Support Solution
8 Review
Stainless Steel π© Fastener Hardware by BIGTEDDY
9 Review
Stainless Steel Bracket Shelves: Industrial Hanging Hardware
8 Review
π§ Inch Stainless Steel Brackets - Includes 80 Brackets
8 Review
π Marinco 6365CRN Locking Plug 250V: Secure and Reliable Power Connection Solution
9 Review
π 50 Pack of P MAP Maple Pocket Plugs
7 Review
Continental ContiVikingContact 7 195/65 R15 95T winter
21 Review
High-Quality White Plastic Flush Type Plugs for Industrial Hardware Applications
9 Review