4 round pieces of 3M VHB RP25 adhesive for use with our magnetic keyguard attachments.  Measure the magnets to determine the size needed.

VHB RP25 is gray and measures .025" (0.6 mm) thick.  It adheres to a large variety of plastics, glass and metals and is extremely strong and shear-resistant.  VHB dots are extremely useful for crafts and for mounting small objects securely and permanently.