Description First of all the perforated stop bead or thin coat internal plaster stop bead. Provides a neatly finished thin coat plaster edge. Furthermore suitable for use on a 3mm finish. Consequently, this bead is intended for internal use only. Also features a 30mm perforated wing. Finally use with openings, walls abutments or ceiling finishes.     Designed for thin coat edge protection at openings or abutments onto other wall finishes 2.4m Long Galvanised for internal use only