Master Magnetics MDCD10CR75 Assorted Ceramic Ring & Disc Magnets CyberMonday It has an interior comfort

It has an interior comfort head band

ProCoat coating corrosion resistant to harsh chemicals as well as UV rays and salt

Cast aluminum with textured black finish

Covers 75 sqft first application

Master Magnetics MDCD10CR75 Assorted Ceramic Ring & Disc Magnets CyberMonday It has an interior comfortPack contains powerful, permanent ceramic rings or discs with strength tester mounted to front of display. Perfect for use in the home, office, school and shop. Great for craft and hobby projects. Assorted ceramic (ferrite) ring and disc magnets Total pack contains 200 ring magnets (3 4" OD x 1 4" ID x 1 4") and 300 disc magnets (3 4" diameter x 3 16" thick) Perfect for use in the home, office, school and shop Great for craft and hobby projects.