NCKPRO 5-50P/LOT Ring Ferrite Magnet 32 * 6 mm Hole 18 mm Black Round Y30 Magnet 32X6 mm with Hole 18MM 32mm x 6mm Ceramic Magnet (Color : 10PCS): Amazon.com: Industrial & Scientific
Super Magnets 10pcs 6mm Diameter Round Neodymium Magnets 1/1.5/2/3/4/5/6/8/10/15/20mm Thick Rare Earth Strong Crafts Permanent Magnet N35 Magnet Set (Color : 6mm x 1.5mm): Amazon.com: Industrial & Scientific
NCKPRO 6mm x 6 mm Small Round Neodymium Disc Magnets 6x6 Dia N35 Strong Rare Super Powerful Earth Magnet 6x6 mm Magnetic Stand (Color : 1000pcs): Amazon.com: Industrial & Scientific
Amazon.com: RHINOCATS Fridge Magnets, Magnets for Nail Clippers, Tiny Magnet for Crafts, Strong Small Round Magnets, 6mm x 3mm(DxH), 60 Packs : Home & Kitchen
NCKPRO 5~60PCS 6x30 mm Thick Strong Cylinder Rare Earth Magnet 6mm*30mm Round Neodymium Magnet 6x30mm Small Magnet Disc 6 * 30 mm N35 (Color : 20PCS): Amazon.com: Industrial & Scientific