The F21D magnet bar is enclosed in a light-weight plastic casing. The special triple grip design improves holding power without increasing the weight or price of the fastener. This magnet bar has an adhesive back for an easy peel-and-stick application.
The magnets are sold individually for your ordering convenience.
Warning - this is a magnetic device. Caution should be exercised around devices that can be affected by magnetic fields and are not recommended for use with certain medical or diagnostic equipment.