N52 Neodymium magnet block : 9mm L x 9mm W x 3mm T - Supreme Magnets — The Quaint Magnet Shop
Ferrite Ring Magnet - 45mm x 22mm x 9mm – AMF Magnets USA
Apex Magnets | 18mm x 9mm Disc - Neodymium Magnet
9mm (0.35") Diameter Circular Disc Magnets
500lb Fishing Magnet Bundle Kit with 9mm 100ft High Strength Nylon Rope with Carabiner and Non Slip Rubber Gloves, N38 Neodymium Eyebolt Magnet with Strong Pulling Force and Carrying Bag: Amazon.com: Industrial