These 3D printed Frag Racks are made using PETG and are reef safe. they hold 3 large frag plugs or 4 small plugs.
This is a small coral frag rack. it can hold 3 3/4 inch frag plugs or 4 1/2 inch frag plugs. The magnet is good for up to 1/2 glass and 5/8 should work but has not been tested. Black and White are offered. These have been 3D printed in the USA. It was designed and assembled by a teenager.