This C5 power magnet is strong enough to hold your loose nuts an bolts, tools, and more. Doughnut shaped. 3 1/2 inch diameter with 1 inch diameter hole. 1/2 inch thick. Ceramic magnets have many applications in manufacturing and industry.

* This magnet is 3-3/8 (more exact is 3-7/20") inches in diameter, and weighs 10 ounces

* This magnet is excellent for holding small tools and hardware while you complete your work

* This ceramic magnet has a center hole that is 1 inch in diameter; about 1/2-inch thick

* C5 or (Y30) Grade - useful in welding and in collecting machine shop metal shavings

* This magnet has many applications in manufacturing and industry