Standard Portable offers its signature line of heavy duty industrial magnets. The Standard Portable #4C Stock Magnet is manufactured with a sturdy ceramic magnet that provides multiple uses. This magnet is produced with a durable urethane rubber coating that is corrosion and temperature resistant. The magnet measures 2-1/2" x 1-15/16" x 3-3/8". The #4C ceramic magnet is a replacement magnet for the MS-6 Retrieval Tool and any of the MLC magnetic lights. Standard Portable Signature Industrial Magnets are exclusively produced in the USA at our manufacturing facility.