0.500" Dia [0.135" ID] x 1/4" Thick (0.26" Dia x 0.125)" NdFeB Ring Magnet, Epoxy plated.
Matte finish, Axially Magnetized, Grade N40.

This magnet is sold in units of 6 per item purchased.
(Example: Purchase 2 Items, and you will receive 12 magnets)