Guy's Magnets 20mm x 2mm neodymium disks with Self Adhesive Foam - 10 pack

These are sealed tubes of 10 magnets Each magnet is set ups as pairs with 5 having the adhesive backed foam on the north face and 5 having the adhesive backed foam on the south face 3M 4920 foam backed adhesive Easy to peel tabbed paper backing Do not attempt to flex; neodymium is brittle and the magnets will snap.

Guy's Magnets N52 5mm dia x 2.5mm small Neodymium disk magnets - craft fridge DIY MRO - PACK OF 25

Technical Specifications N52 is the highest grade which is currently widely and reliably available. In a size for size comparison an N52 grade magnet will have approximately 35% more pull than the same sized N35 grade magnet. Diameter: 5 mm (0.19") Thickness: 2.5 mm (0.09") Weight: 0.36g Grade: N52 Coating: Ni-Cu-Ni (Nickel-Copper-Nickel) Maximum Temp: 80°C / 176°F Theoretical Maximum Pull: 1.9lb / 30oz / 830g Calculated Max Vertical Hold-guidance only: 0.38lb / 6oz / 172g WARNINGS: All neodymium magnets are unsuitable for children; do not ingest. All neodymium magnets are brittle; do not allow these magnets to jump together or to an iron/steel surface - they will break, crack, chip or shatter.