Conner bead may from straight side on the edge line of plaster project to fight break or chap and to protect and strengten the most fragile part of the plaster. Its wing may enter the plaster in depths in any edge line strongly.

Conner bead is very important for whitewash for plaster. Using it in the construction of building an dthe finish of building may cause the conner place easy to destroy and make constrution easy and may save plenty of time.